Home / 1,298,561.80-1,946,921.10-499,534.60

Finding the Fourth Proportional to 1,298,561.80, 1,946,921.10 and 499,534.60

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Solution

The fourth proportional to 1,298,561.80, 1,946,921.10 and 499,534.60 is: 748,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,561.80 : 1,946,921.10 = 499,534.60 : x
  2. Step 2: Convert to fraction form
    1,298,561.80/1,946,921.10 = 499,534.60/x
  3. Step 3: Cross multiply
    1,298,561.80x = 1,946,921.10 × 499,534.60
  4. Step 4: Simplify right side
    1,298,561.80x = 972,554,452,920.06
  5. Step 5: Solve for x
    x = 972,554,452,920.06/1,298,561.80
  6. Step 6: Final answer
    x = 748,947.38

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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.