Home / 1,144,335.40-1,716,503.10-665,382.40

Finding the Fourth Proportional to 1,144,335.40, 1,716,503.10 and 665,382.40

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Solution

The fourth proportional to 1,144,335.40, 1,716,503.10 and 665,382.40 is: 998,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,335.40 : 1,716,503.10 = 665,382.40 : x
  2. Step 2: Convert to fraction form
    1,144,335.40/1,716,503.10 = 665,382.40/x
  3. Step 3: Cross multiply
    1,144,335.40x = 1,716,503.10 × 665,382.40
  4. Step 4: Simplify right side
    1,144,335.40x = 1,142,130,952,285.44
  5. Step 5: Solve for x
    x = 1,142,130,952,285.44/1,144,335.40
  6. Step 6: Final answer
    x = 998,073.60

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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.