Home / 1,057,855.14-1,587,412.89-383,988.87

Finding the Fourth Proportional to 1,057,855.14, 1,587,412.89 and 383,988.87

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Solution

The fourth proportional to 1,057,855.14, 1,587,412.89 and 383,988.87 is: 576,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,855.14 : 1,587,412.89 = 383,988.87 : x
  2. Step 2: Convert to fraction form
    1,057,855.14/1,587,412.89 = 383,988.87/x
  3. Step 3: Cross multiply
    1,057,855.14x = 1,587,412.89 × 383,988.87
  4. Step 4: Simplify right side
    1,057,855.14x = 609,548,881,854.53
  5. Step 5: Solve for x
    x = 609,548,881,854.53/1,057,855.14
  6. Step 6: Final answer
    x = 576,212.05

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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.