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Finding the Fourth Proportional to 1,402,830.04, 1,935,904.38 and 758,250.21

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Solution

The fourth proportional to 1,402,830.04, 1,935,904.38 and 758,250.21 is: 1,046,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,830.04 : 1,935,904.38 = 758,250.21 : x
  2. Step 2: Convert to fraction form
    1,402,830.04/1,935,904.38 = 758,250.21/x
  3. Step 3: Cross multiply
    1,402,830.04x = 1,935,904.38 × 758,250.21
  4. Step 4: Simplify right side
    1,402,830.04x = 1,467,899,909,223.70
  5. Step 5: Solve for x
    x = 1,467,899,909,223.70/1,402,830.04
  6. Step 6: Final answer
    x = 1,046,384.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.