Home / 1,023,455.40-1,535,183.10-490,702.20

Finding the Fourth Proportional to 1,023,455.40, 1,535,183.10 and 490,702.20

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Solution

The fourth proportional to 1,023,455.40, 1,535,183.10 and 490,702.20 is: 736,053.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,455.40 : 1,535,183.10 = 490,702.20 : x
  2. Step 2: Convert to fraction form
    1,023,455.40/1,535,183.10 = 490,702.20/x
  3. Step 3: Cross multiply
    1,023,455.40x = 1,535,183.10 × 490,702.20
  4. Step 4: Simplify right side
    1,023,455.40x = 753,317,724,572.82
  5. Step 5: Solve for x
    x = 753,317,724,572.82/1,023,455.40
  6. Step 6: Final answer
    x = 736,053.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.