Home / 1,026,455.70-1,539,683.55-278,501.70

Finding the Fourth Proportional to 1,026,455.70, 1,539,683.55 and 278,501.70

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Solution

The fourth proportional to 1,026,455.70, 1,539,683.55 and 278,501.70 is: 417,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,455.70 : 1,539,683.55 = 278,501.70 : x
  2. Step 2: Convert to fraction form
    1,026,455.70/1,539,683.55 = 278,501.70/x
  3. Step 3: Cross multiply
    1,026,455.70x = 1,539,683.55 × 278,501.70
  4. Step 4: Simplify right side
    1,026,455.70x = 428,804,486,137.04
  5. Step 5: Solve for x
    x = 428,804,486,137.04/1,026,455.70
  6. Step 6: Final answer
    x = 417,752.55

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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.