Home / 1,138,944.44-1,572,139.15-655,702.18

Finding the Fourth Proportional to 1,138,944.44, 1,572,139.15 and 655,702.18

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Solution

The fourth proportional to 1,138,944.44, 1,572,139.15 and 655,702.18 is: 905,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,944.44 : 1,572,139.15 = 655,702.18 : x
  2. Step 2: Convert to fraction form
    1,138,944.44/1,572,139.15 = 655,702.18/x
  3. Step 3: Cross multiply
    1,138,944.44x = 1,572,139.15 × 655,702.18
  4. Step 4: Simplify right side
    1,138,944.44x = 1,030,855,064,639.84
  5. Step 5: Solve for x
    x = 1,030,855,064,639.84/1,138,944.44
  6. Step 6: Final answer
    x = 905,096.89

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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.