Home / 992,557.60-1,490,218.80-619,309.60

Finding the Fourth Proportional to 992,557.60, 1,490,218.80 and 619,309.60

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Solution

The fourth proportional to 992,557.60, 1,490,218.80 and 619,309.60 is: 929,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,557.60 : 1,490,218.80 = 619,309.60 : x
  2. Step 2: Convert to fraction form
    992,557.60/1,490,218.80 = 619,309.60/x
  3. Step 3: Cross multiply
    992,557.60x = 1,490,218.80 × 619,309.60
  4. Step 4: Simplify right side
    992,557.60x = 922,906,808,940.48
  5. Step 5: Solve for x
    x = 922,906,808,940.48/992,557.60
  6. Step 6: Final answer
    x = 929,826.95

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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.