Home / 1,020,046.60-1,530,069.90-614,139.40

Finding the Fourth Proportional to 1,020,046.60, 1,530,069.90 and 614,139.40

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Solution

The fourth proportional to 1,020,046.60, 1,530,069.90 and 614,139.40 is: 921,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,046.60 : 1,530,069.90 = 614,139.40 : x
  2. Step 2: Convert to fraction form
    1,020,046.60/1,530,069.90 = 614,139.40/x
  3. Step 3: Cross multiply
    1,020,046.60x = 1,530,069.90 × 614,139.40
  4. Step 4: Simplify right side
    1,020,046.60x = 939,676,210,344.06
  5. Step 5: Solve for x
    x = 939,676,210,344.06/1,020,046.60
  6. Step 6: Final answer
    x = 921,209.10

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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.