Home / 1,010,545.72-1,394,787.56-666,443.76

Finding the Fourth Proportional to 1,010,545.72, 1,394,787.56 and 666,443.76

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Solution

The fourth proportional to 1,010,545.72, 1,394,787.56 and 666,443.76 is: 919,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,545.72 : 1,394,787.56 = 666,443.76 : x
  2. Step 2: Convert to fraction form
    1,010,545.72/1,394,787.56 = 666,443.76/x
  3. Step 3: Cross multiply
    1,010,545.72x = 1,394,787.56 × 666,443.76
  4. Step 4: Simplify right side
    1,010,545.72x = 929,547,465,887.63
  5. Step 5: Solve for x
    x = 929,547,465,887.63/1,010,545.72
  6. Step 6: Final answer
    x = 919,847.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.