Home / 1,092,073.68-1,507,830.12-766,079.76

Finding the Fourth Proportional to 1,092,073.68, 1,507,830.12 and 766,079.76

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Solution

The fourth proportional to 1,092,073.68, 1,507,830.12 and 766,079.76 is: 1,057,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,073.68 : 1,507,830.12 = 766,079.76 : x
  2. Step 2: Convert to fraction form
    1,092,073.68/1,507,830.12 = 766,079.76/x
  3. Step 3: Cross multiply
    1,092,073.68x = 1,507,830.12 × 766,079.76
  4. Step 4: Simplify right side
    1,092,073.68x = 1,155,118,136,450.37
  5. Step 5: Solve for x
    x = 1,155,118,136,450.37/1,092,073.68
  6. Step 6: Final answer
    x = 1,057,729.12

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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.