Home / 1,007,302.20-1,509,641.10-407,772.60

Finding the Fourth Proportional to 1,007,302.20, 1,509,641.10 and 407,772.60

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Solution

The fourth proportional to 1,007,302.20, 1,509,641.10 and 407,772.60 is: 611,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,302.20 : 1,509,641.10 = 407,772.60 : x
  2. Step 2: Convert to fraction form
    1,007,302.20/1,509,641.10 = 407,772.60/x
  3. Step 3: Cross multiply
    1,007,302.20x = 1,509,641.10 × 407,772.60
  4. Step 4: Simplify right side
    1,007,302.20x = 615,590,276,413.86
  5. Step 5: Solve for x
    x = 615,590,276,413.86/1,007,302.20
  6. Step 6: Final answer
    x = 611,127.70

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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.