Home / 1,138,946.36-1,572,141.80-655,704.11

Finding the Fourth Proportional to 1,138,946.36, 1,572,141.80 and 655,704.11

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Solution

The fourth proportional to 1,138,946.36, 1,572,141.80 and 655,704.11 is: 905,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,946.36 : 1,572,141.80 = 655,704.11 : x
  2. Step 2: Convert to fraction form
    1,138,946.36/1,572,141.80 = 655,704.11/x
  3. Step 3: Cross multiply
    1,138,946.36x = 1,572,141.80 × 655,704.11
  4. Step 4: Simplify right side
    1,138,946.36x = 1,030,859,845,332.41
  5. Step 5: Solve for x
    x = 1,030,859,845,332.41/1,138,946.36
  6. Step 6: Final answer
    x = 905,099.56

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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.