Home / 1,139,468.18-1,572,291.39-655,939.90

Finding the Fourth Proportional to 1,139,468.18, 1,572,291.39 and 655,939.90

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Solution

The fourth proportional to 1,139,468.18, 1,572,291.39 and 655,939.90 is: 905,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,468.18 : 1,572,291.39 = 655,939.90 : x
  2. Step 2: Convert to fraction form
    1,139,468.18/1,572,291.39 = 655,939.90/x
  3. Step 3: Cross multiply
    1,139,468.18x = 1,572,291.39 × 655,939.90
  4. Step 4: Simplify right side
    1,139,468.18x = 1,031,328,657,127.46
  5. Step 5: Solve for x
    x = 1,031,328,657,127.46/1,139,468.18
  6. Step 6: Final answer
    x = 905,096.50

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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.