Home / 1,139,463.30-1,572,284.67-655,935.01

Finding the Fourth Proportional to 1,139,463.30, 1,572,284.67 and 655,935.01

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Solution

The fourth proportional to 1,139,463.30, 1,572,284.67 and 655,935.01 is: 905,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,463.30 : 1,572,284.67 = 655,935.01 : x
  2. Step 2: Convert to fraction form
    1,139,463.30/1,572,284.67 = 655,935.01/x
  3. Step 3: Cross multiply
    1,139,463.30x = 1,572,284.67 × 655,935.01
  4. Step 4: Simplify right side
    1,139,463.30x = 1,031,316,560,739.30
  5. Step 5: Solve for x
    x = 1,031,316,560,739.30/1,139,463.30
  6. Step 6: Final answer
    x = 905,089.76

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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.