Home / 822,621.40-1,233,932.10-692,713.60

Finding the Fourth Proportional to 822,621.40, 1,233,932.10 and 692,713.60

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Solution

The fourth proportional to 822,621.40, 1,233,932.10 and 692,713.60 is: 1,039,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,621.40 : 1,233,932.10 = 692,713.60 : x
  2. Step 2: Convert to fraction form
    822,621.40/1,233,932.10 = 692,713.60/x
  3. Step 3: Cross multiply
    822,621.40x = 1,233,932.10 × 692,713.60
  4. Step 4: Simplify right side
    822,621.40x = 854,761,547,146.56
  5. Step 5: Solve for x
    x = 854,761,547,146.56/822,621.40
  6. Step 6: Final answer
    x = 1,039,070.40

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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.