Home / 1,417,870.80-2,127,000.60-471,142.80

Finding the Fourth Proportional to 1,417,870.80, 2,127,000.60 and 471,142.80

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Solution

The fourth proportional to 1,417,870.80, 2,127,000.60 and 471,142.80 is: 706,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,870.80 : 2,127,000.60 = 471,142.80 : x
  2. Step 2: Convert to fraction form
    1,417,870.80/2,127,000.60 = 471,142.80/x
  3. Step 3: Cross multiply
    1,417,870.80x = 2,127,000.60 × 471,142.80
  4. Step 4: Simplify right side
    1,417,870.80x = 1,002,121,018,285.68
  5. Step 5: Solve for x
    x = 1,002,121,018,285.68/1,417,870.80
  6. Step 6: Final answer
    x = 706,778.80

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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.