Home / 1,139,464.18-1,572,285.88-655,935.89

Finding the Fourth Proportional to 1,139,464.18, 1,572,285.88 and 655,935.89

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Solution

The fourth proportional to 1,139,464.18, 1,572,285.88 and 655,935.89 is: 905,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,464.18 : 1,572,285.88 = 655,935.89 : x
  2. Step 2: Convert to fraction form
    1,139,464.18/1,572,285.88 = 655,935.89/x
  3. Step 3: Cross multiply
    1,139,464.18x = 1,572,285.88 × 655,935.89
  4. Step 4: Simplify right side
    1,139,464.18x = 1,031,318,740,323.11
  5. Step 5: Solve for x
    x = 1,031,318,740,323.11/1,139,464.18
  6. Step 6: Final answer
    x = 905,090.97

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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.