Home / 1,296,525.32-1,789,385.28-723,602.40

Finding the Fourth Proportional to 1,296,525.32, 1,789,385.28 and 723,602.40

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Solution

The fourth proportional to 1,296,525.32, 1,789,385.28 and 723,602.40 is: 998,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,525.32 : 1,789,385.28 = 723,602.40 : x
  2. Step 2: Convert to fraction form
    1,296,525.32/1,789,385.28 = 723,602.40/x
  3. Step 3: Cross multiply
    1,296,525.32x = 1,789,385.28 × 723,602.40
  4. Step 4: Simplify right side
    1,296,525.32x = 1,294,803,473,708.97
  5. Step 5: Solve for x
    x = 1,294,803,473,708.97/1,296,525.32
  6. Step 6: Final answer
    x = 998,671.95

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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.