Home / 1,378,849.64-2,068,275.07-432,294.17

Finding the Fourth Proportional to 1,378,849.64, 2,068,275.07 and 432,294.17

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Solution

The fourth proportional to 1,378,849.64, 2,068,275.07 and 432,294.17 is: 648,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,849.64 : 2,068,275.07 = 432,294.17 : x
  2. Step 2: Convert to fraction form
    1,378,849.64/2,068,275.07 = 432,294.17/x
  3. Step 3: Cross multiply
    1,378,849.64x = 2,068,275.07 × 432,294.17
  4. Step 4: Simplify right side
    1,378,849.64x = 894,103,254,717.34
  5. Step 5: Solve for x
    x = 894,103,254,717.34/1,378,849.64
  6. Step 6: Final answer
    x = 648,441.45

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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.