Home / 1,087,769.28-1,631,485.40-555,683.52

Finding the Fourth Proportional to 1,087,769.28, 1,631,485.40 and 555,683.52

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Solution

The fourth proportional to 1,087,769.28, 1,631,485.40 and 555,683.52 is: 833,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,769.28 : 1,631,485.40 = 555,683.52 : x
  2. Step 2: Convert to fraction form
    1,087,769.28/1,631,485.40 = 555,683.52/x
  3. Step 3: Cross multiply
    1,087,769.28x = 1,631,485.40 × 555,683.52
  4. Step 4: Simplify right side
    1,087,769.28x = 906,589,549,900.61
  5. Step 5: Solve for x
    x = 906,589,549,900.61/1,087,769.28
  6. Step 6: Final answer
    x = 833,439.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.