Home / 1,207,359.60-1,811,039.40-906,209.70

Finding the Fourth Proportional to 1,207,359.60, 1,811,039.40 and 906,209.70

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Solution

The fourth proportional to 1,207,359.60, 1,811,039.40 and 906,209.70 is: 1,359,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,359.60 : 1,811,039.40 = 906,209.70 : x
  2. Step 2: Convert to fraction form
    1,207,359.60/1,811,039.40 = 906,209.70/x
  3. Step 3: Cross multiply
    1,207,359.60x = 1,811,039.40 × 906,209.70
  4. Step 4: Simplify right side
    1,207,359.60x = 1,641,181,471,362.18
  5. Step 5: Solve for x
    x = 1,641,181,471,362.18/1,207,359.60
  6. Step 6: Final answer
    x = 1,359,314.55

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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.