Home / 1,005,744.11-1,387,926.88-553,035.11

Finding the Fourth Proportional to 1,005,744.11, 1,387,926.88 and 553,035.11

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Solution

The fourth proportional to 1,005,744.11, 1,387,926.88 and 553,035.11 is: 763,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,744.11 : 1,387,926.88 = 553,035.11 : x
  2. Step 2: Convert to fraction form
    1,005,744.11/1,387,926.88 = 553,035.11/x
  3. Step 3: Cross multiply
    1,005,744.11x = 1,387,926.88 × 553,035.11
  4. Step 4: Simplify right side
    1,005,744.11x = 767,572,286,430.54
  5. Step 5: Solve for x
    x = 767,572,286,430.54/1,005,744.11
  6. Step 6: Final answer
    x = 763,188.45

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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.