Home / 1,420,532.17-1,960,334.31-767,158.14

Finding the Fourth Proportional to 1,420,532.17, 1,960,334.31 and 767,158.14

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Solution

The fourth proportional to 1,420,532.17, 1,960,334.31 and 767,158.14 is: 1,058,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,532.17 : 1,960,334.31 = 767,158.14 : x
  2. Step 2: Convert to fraction form
    1,420,532.17/1,960,334.31 = 767,158.14/x
  3. Step 3: Cross multiply
    1,420,532.17x = 1,960,334.31 × 767,158.14
  4. Step 4: Simplify right side
    1,420,532.17x = 1,503,886,423,037.78
  5. Step 5: Solve for x
    x = 1,503,886,423,037.78/1,420,532.17
  6. Step 6: Final answer
    x = 1,058,678.19

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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.