Home / 1,042,632-1,440,013.14-702,509.76

Finding the Fourth Proportional to 1,042,632, 1,440,013.14 and 702,509.76

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Solution

The fourth proportional to 1,042,632, 1,440,013.14 and 702,509.76 is: 970,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,632 : 1,440,013.14 = 702,509.76 : x
  2. Step 2: Convert to fraction form
    1,042,632/1,440,013.14 = 702,509.76/x
  3. Step 3: Cross multiply
    1,042,632x = 1,440,013.14 × 702,509.76
  4. Step 4: Simplify right side
    1,042,632x = 1,011,623,285,378.25
  5. Step 5: Solve for x
    x = 1,011,623,285,378.25/1,042,632
  6. Step 6: Final answer
    x = 970,259.20

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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.