Home / 1,127,874.90-1,691,136.63-359,040.45

Finding the Fourth Proportional to 1,127,874.90, 1,691,136.63 and 359,040.45

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Solution

The fourth proportional to 1,127,874.90, 1,691,136.63 and 359,040.45 is: 538,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,874.90 : 1,691,136.63 = 359,040.45 : x
  2. Step 2: Convert to fraction form
    1,127,874.90/1,691,136.63 = 359,040.45/x
  3. Step 3: Cross multiply
    1,127,874.90x = 1,691,136.63 × 359,040.45
  4. Step 4: Simplify right side
    1,127,874.90x = 607,186,456,646.68
  5. Step 5: Solve for x
    x = 607,186,456,646.68/1,127,874.90
  6. Step 6: Final answer
    x = 538,345.57

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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.