Home / 1,139,460.80-1,572,281.22-655,932.51

Finding the Fourth Proportional to 1,139,460.80, 1,572,281.22 and 655,932.51

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Solution

The fourth proportional to 1,139,460.80, 1,572,281.22 and 655,932.51 is: 905,086.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,460.80 : 1,572,281.22 = 655,932.51 : x
  2. Step 2: Convert to fraction form
    1,139,460.80/1,572,281.22 = 655,932.51/x
  3. Step 3: Cross multiply
    1,139,460.80x = 1,572,281.22 × 655,932.51
  4. Step 4: Simplify right side
    1,139,460.80x = 1,031,310,369,520.21
  5. Step 5: Solve for x
    x = 1,031,310,369,520.21/1,139,460.80
  6. Step 6: Final answer
    x = 905,086.31

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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.