Home / 963,946.08-1,329,063.12-782,143.20

Finding the Fourth Proportional to 963,946.08, 1,329,063.12 and 782,143.20

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Solution

The fourth proportional to 963,946.08, 1,329,063.12 and 782,143.20 is: 1,078,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,946.08 : 1,329,063.12 = 782,143.20 : x
  2. Step 2: Convert to fraction form
    963,946.08/1,329,063.12 = 782,143.20/x
  3. Step 3: Cross multiply
    963,946.08x = 1,329,063.12 × 782,143.20
  4. Step 4: Simplify right side
    963,946.08x = 1,039,517,681,678.78
  5. Step 5: Solve for x
    x = 1,039,517,681,678.78/963,946.08
  6. Step 6: Final answer
    x = 1,078,398.16

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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.