Home / 830,672.40-1,246,008.60-697,812.15

Finding the Fourth Proportional to 830,672.40, 1,246,008.60 and 697,812.15

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Solution

The fourth proportional to 830,672.40, 1,246,008.60 and 697,812.15 is: 1,046,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,672.40 : 1,246,008.60 = 697,812.15 : x
  2. Step 2: Convert to fraction form
    830,672.40/1,246,008.60 = 697,812.15/x
  3. Step 3: Cross multiply
    830,672.40x = 1,246,008.60 × 697,812.15
  4. Step 4: Simplify right side
    830,672.40x = 869,479,940,084.49
  5. Step 5: Solve for x
    x = 869,479,940,084.49/830,672.40
  6. Step 6: Final answer
    x = 1,046,718.23

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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.