Home / 1,489,061.40-2,233,592.10-424,089.60

Finding the Fourth Proportional to 1,489,061.40, 2,233,592.10 and 424,089.60

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Solution

The fourth proportional to 1,489,061.40, 2,233,592.10 and 424,089.60 is: 636,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,061.40 : 2,233,592.10 = 424,089.60 : x
  2. Step 2: Convert to fraction form
    1,489,061.40/2,233,592.10 = 424,089.60/x
  3. Step 3: Cross multiply
    1,489,061.40x = 2,233,592.10 × 424,089.60
  4. Step 4: Simplify right side
    1,489,061.40x = 947,243,180,252.16
  5. Step 5: Solve for x
    x = 947,243,180,252.16/1,489,061.40
  6. Step 6: Final answer
    x = 636,134.40

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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.