Home / 1,087,487.19-1,631,247.19-377,537.78

Finding the Fourth Proportional to 1,087,487.19, 1,631,247.19 and 377,537.78

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Solution

The fourth proportional to 1,087,487.19, 1,631,247.19 and 377,537.78 is: 566,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,487.19 : 1,631,247.19 = 377,537.78 : x
  2. Step 2: Convert to fraction form
    1,087,487.19/1,631,247.19 = 377,537.78/x
  3. Step 3: Cross multiply
    1,087,487.19x = 1,631,247.19 × 377,537.78
  4. Step 4: Simplify right side
    1,087,487.19x = 615,857,445,878.11
  5. Step 5: Solve for x
    x = 615,857,445,878.11/1,087,487.19
  6. Step 6: Final answer
    x = 566,312.37

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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.