Home / 1,615,353.12-2,423,068.56-772,979.04

Finding the Fourth Proportional to 1,615,353.12, 2,423,068.56 and 772,979.04

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Solution

The fourth proportional to 1,615,353.12, 2,423,068.56 and 772,979.04 is: 1,159,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,353.12 : 2,423,068.56 = 772,979.04 : x
  2. Step 2: Convert to fraction form
    1,615,353.12/2,423,068.56 = 772,979.04/x
  3. Step 3: Cross multiply
    1,615,353.12x = 2,423,068.56 × 772,979.04
  4. Step 4: Simplify right side
    1,615,353.12x = 1,872,981,209,362.98
  5. Step 5: Solve for x
    x = 1,872,981,209,362.98/1,615,353.12
  6. Step 6: Final answer
    x = 1,159,487.16

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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.