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Finding the Fourth Proportional to 1,784,337.84, 2,677,030.92 and 718,831.92

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Solution

The fourth proportional to 1,784,337.84, 2,677,030.92 and 718,831.92 is: 1,078,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,337.84 : 2,677,030.92 = 718,831.92 : x
  2. Step 2: Convert to fraction form
    1,784,337.84/2,677,030.92 = 718,831.92/x
  3. Step 3: Cross multiply
    1,784,337.84x = 2,677,030.92 × 718,831.92
  4. Step 4: Simplify right side
    1,784,337.84x = 1,924,335,276,122.97
  5. Step 5: Solve for x
    x = 1,924,335,276,122.97/1,784,337.84
  6. Step 6: Final answer
    x = 1,078,459.04

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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.