Home / 1,330,463.76-1,833,883.08-1,039,566.72

Finding the Fourth Proportional to 1,330,463.76, 1,833,883.08 and 1,039,566.72

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Solution

The fourth proportional to 1,330,463.76, 1,833,883.08 and 1,039,566.72 is: 1,432,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,463.76 : 1,833,883.08 = 1,039,566.72 : x
  2. Step 2: Convert to fraction form
    1,330,463.76/1,833,883.08 = 1,039,566.72/x
  3. Step 3: Cross multiply
    1,330,463.76x = 1,833,883.08 × 1,039,566.72
  4. Step 4: Simplify right side
    1,330,463.76x = 1,906,443,818,339.10
  5. Step 5: Solve for x
    x = 1,906,443,818,339.10/1,330,463.76
  6. Step 6: Final answer
    x = 1,432,916.76

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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.