Home / 1,555,201.20-2,332,801.80-657,656.40

Finding the Fourth Proportional to 1,555,201.20, 2,332,801.80 and 657,656.40

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Solution

The fourth proportional to 1,555,201.20, 2,332,801.80 and 657,656.40 is: 986,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,201.20 : 2,332,801.80 = 657,656.40 : x
  2. Step 2: Convert to fraction form
    1,555,201.20/2,332,801.80 = 657,656.40/x
  3. Step 3: Cross multiply
    1,555,201.20x = 2,332,801.80 × 657,656.40
  4. Step 4: Simplify right side
    1,555,201.20x = 1,534,182,033,701.52
  5. Step 5: Solve for x
    x = 1,534,182,033,701.52/1,555,201.20
  6. Step 6: Final answer
    x = 986,484.60

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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.