Home / 1,039,411.35-1,434,825.23-631,644.39

Finding the Fourth Proportional to 1,039,411.35, 1,434,825.23 and 631,644.39

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Solution

The fourth proportional to 1,039,411.35, 1,434,825.23 and 631,644.39 is: 871,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,411.35 : 1,434,825.23 = 631,644.39 : x
  2. Step 2: Convert to fraction form
    1,039,411.35/1,434,825.23 = 631,644.39/x
  3. Step 3: Cross multiply
    1,039,411.35x = 1,434,825.23 × 631,644.39
  4. Step 4: Simplify right side
    1,039,411.35x = 906,299,304,001.74
  5. Step 5: Solve for x
    x = 906,299,304,001.74/1,039,411.35
  6. Step 6: Final answer
    x = 871,935.16

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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.