Home / 1,148,459.88-1,584,841.50-639,151.32

Finding the Fourth Proportional to 1,148,459.88, 1,584,841.50 and 639,151.32

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Solution

The fourth proportional to 1,148,459.88, 1,584,841.50 and 639,151.32 is: 882,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,459.88 : 1,584,841.50 = 639,151.32 : x
  2. Step 2: Convert to fraction form
    1,148,459.88/1,584,841.50 = 639,151.32/x
  3. Step 3: Cross multiply
    1,148,459.88x = 1,584,841.50 × 639,151.32
  4. Step 4: Simplify right side
    1,148,459.88x = 1,012,953,536,715.78
  5. Step 5: Solve for x
    x = 1,012,953,536,715.78/1,148,459.88
  6. Step 6: Final answer
    x = 882,010.38

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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.