Home / 1,523,729.77-2,102,321.65-1,200,436.50

Finding the Fourth Proportional to 1,523,729.77, 2,102,321.65 and 1,200,436.50

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Solution

The fourth proportional to 1,523,729.77, 2,102,321.65 and 1,200,436.50 is: 1,656,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,729.77 : 2,102,321.65 = 1,200,436.50 : x
  2. Step 2: Convert to fraction form
    1,523,729.77/2,102,321.65 = 1,200,436.50/x
  3. Step 3: Cross multiply
    1,523,729.77x = 2,102,321.65 × 1,200,436.50
  4. Step 4: Simplify right side
    1,523,729.77x = 2,523,703,643,400.23
  5. Step 5: Solve for x
    x = 2,523,703,643,400.23/1,523,729.77
  6. Step 6: Final answer
    x = 1,656,267.20

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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.