Home / 1,012,670.80-1,517,677.40-745,178.80

Finding the Fourth Proportional to 1,012,670.80, 1,517,677.40 and 745,178.80

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Solution

The fourth proportional to 1,012,670.80, 1,517,677.40 and 745,178.80 is: 1,116,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,670.80 : 1,517,677.40 = 745,178.80 : x
  2. Step 2: Convert to fraction form
    1,012,670.80/1,517,677.40 = 745,178.80/x
  3. Step 3: Cross multiply
    1,012,670.80x = 1,517,677.40 × 745,178.80
  4. Step 4: Simplify right side
    1,012,670.80x = 1,130,941,023,719.12
  5. Step 5: Solve for x
    x = 1,130,941,023,719.12/1,012,670.80
  6. Step 6: Final answer
    x = 1,116,790.40

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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.