Home / 1,262,255.20-1,891,283.28-887,492.32

Finding the Fourth Proportional to 1,262,255.20, 1,891,283.28 and 887,492.32

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Solution

The fourth proportional to 1,262,255.20, 1,891,283.28 and 887,492.32 is: 1,329,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,255.20 : 1,891,283.28 = 887,492.32 : x
  2. Step 2: Convert to fraction form
    1,262,255.20/1,891,283.28 = 887,492.32/x
  3. Step 3: Cross multiply
    1,262,255.20x = 1,891,283.28 × 887,492.32
  4. Step 4: Simplify right side
    1,262,255.20x = 1,678,499,385,944.41
  5. Step 5: Solve for x
    x = 1,678,499,385,944.41/1,262,255.20
  6. Step 6: Final answer
    x = 1,329,762.31

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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.