Home / 910,695.40-1,276,839.80-910,695.40

Finding the Fourth Proportional to 910,695.40, 1,276,839.80 and 910,695.40

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Solution

The fourth proportional to 910,695.40, 1,276,839.80 and 910,695.40 is: 1,276,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,695.40 : 1,276,839.80 = 910,695.40 : x
  2. Step 2: Convert to fraction form
    910,695.40/1,276,839.80 = 910,695.40/x
  3. Step 3: Cross multiply
    910,695.40x = 1,276,839.80 × 910,695.40
  4. Step 4: Simplify right side
    910,695.40x = 1,162,812,132,396.92
  5. Step 5: Solve for x
    x = 1,162,812,132,396.92/910,695.40
  6. Step 6: Final answer
    x = 1,276,839.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.