Home / 1,008,901.18-1,509,613.62-808,614.10

Finding the Fourth Proportional to 1,008,901.18, 1,509,613.62 and 808,614.10

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Solution

The fourth proportional to 1,008,901.18, 1,509,613.62 and 808,614.10 is: 1,209,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,901.18 : 1,509,613.62 = 808,614.10 : x
  2. Step 2: Convert to fraction form
    1,008,901.18/1,509,613.62 = 808,614.10/x
  3. Step 3: Cross multiply
    1,008,901.18x = 1,509,613.62 × 808,614.10
  4. Step 4: Simplify right side
    1,008,901.18x = 1,220,694,858,684.04
  5. Step 5: Solve for x
    x = 1,220,694,858,684.04/1,008,901.18
  6. Step 6: Final answer
    x = 1,209,925.10

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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.