Home / 1,348,294.40-1,861,393.60-919,205.04

Finding the Fourth Proportional to 1,348,294.40, 1,861,393.60 and 919,205.04

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Solution

The fourth proportional to 1,348,294.40, 1,861,393.60 and 919,205.04 is: 1,269,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,294.40 : 1,861,393.60 = 919,205.04 : x
  2. Step 2: Convert to fraction form
    1,348,294.40/1,861,393.60 = 919,205.04/x
  3. Step 3: Cross multiply
    1,348,294.40x = 1,861,393.60 × 919,205.04
  4. Step 4: Simplify right side
    1,348,294.40x = 1,711,002,378,543.74
  5. Step 5: Solve for x
    x = 1,711,002,378,543.74/1,348,294.40
  6. Step 6: Final answer
    x = 1,269,012.45

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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.