Home / 1,006,951.20-1,509,114.60-407,421.60

Finding the Fourth Proportional to 1,006,951.20, 1,509,114.60 and 407,421.60

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Solution

The fourth proportional to 1,006,951.20, 1,509,114.60 and 407,421.60 is: 610,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,951.20 : 1,509,114.60 = 407,421.60 : x
  2. Step 2: Convert to fraction form
    1,006,951.20/1,509,114.60 = 407,421.60/x
  3. Step 3: Cross multiply
    1,006,951.20x = 1,509,114.60 × 407,421.60
  4. Step 4: Simplify right side
    1,006,951.20x = 614,845,884,915.36
  5. Step 5: Solve for x
    x = 614,845,884,915.36/1,006,951.20
  6. Step 6: Final answer
    x = 610,601.47

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Double scale
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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.