Home / 1,008,035.60-1,509,979.80-509,680.40

Finding the Fourth Proportional to 1,008,035.60, 1,509,979.80 and 509,680.40

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Solution

The fourth proportional to 1,008,035.60, 1,509,979.80 and 509,680.40 is: 763,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,035.60 : 1,509,979.80 = 509,680.40 : x
  2. Step 2: Convert to fraction form
    1,008,035.60/1,509,979.80 = 509,680.40/x
  3. Step 3: Cross multiply
    1,008,035.60x = 1,509,979.80 × 509,680.40
  4. Step 4: Simplify right side
    1,008,035.60x = 769,607,108,455.92
  5. Step 5: Solve for x
    x = 769,607,108,455.92/1,008,035.60
  6. Step 6: Final answer
    x = 763,472.15

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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.