Home / 1,172,301.65-1,755,290.73-766,487.40

Finding the Fourth Proportional to 1,172,301.65, 1,755,290.73 and 766,487.40

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Solution

The fourth proportional to 1,172,301.65, 1,755,290.73 and 766,487.40 is: 1,147,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,301.65 : 1,755,290.73 = 766,487.40 : x
  2. Step 2: Convert to fraction form
    1,172,301.65/1,755,290.73 = 766,487.40/x
  3. Step 3: Cross multiply
    1,172,301.65x = 1,755,290.73 × 766,487.40
  4. Step 4: Simplify right side
    1,172,301.65x = 1,345,408,227,881.80
  5. Step 5: Solve for x
    x = 1,345,408,227,881.80/1,172,301.65
  6. Step 6: Final answer
    x = 1,147,663.85

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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.