Home / 1,001,624.48-1,382,720.45-571,821.47

Finding the Fourth Proportional to 1,001,624.48, 1,382,720.45 and 571,821.47

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Solution

The fourth proportional to 1,001,624.48, 1,382,720.45 and 571,821.47 is: 789,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,624.48 : 1,382,720.45 = 571,821.47 : x
  2. Step 2: Convert to fraction form
    1,001,624.48/1,382,720.45 = 571,821.47/x
  3. Step 3: Cross multiply
    1,001,624.48x = 1,382,720.45 × 571,821.47
  4. Step 4: Simplify right side
    1,001,624.48x = 790,669,230,545.35
  5. Step 5: Solve for x
    x = 790,669,230,545.35/1,001,624.48
  6. Step 6: Final answer
    x = 789,386.89

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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.