Home / 1,382,916.92-1,908,285.90-771,012.14

Finding the Fourth Proportional to 1,382,916.92, 1,908,285.90 and 771,012.14

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Solution

The fourth proportional to 1,382,916.92, 1,908,285.90 and 771,012.14 is: 1,063,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,916.92 : 1,908,285.90 = 771,012.14 : x
  2. Step 2: Convert to fraction form
    1,382,916.92/1,908,285.90 = 771,012.14/x
  3. Step 3: Cross multiply
    1,382,916.92x = 1,908,285.90 × 771,012.14
  4. Step 4: Simplify right side
    1,382,916.92x = 1,471,311,595,490.83
  5. Step 5: Solve for x
    x = 1,471,311,595,490.83/1,382,916.92
  6. Step 6: Final answer
    x = 1,063,919.01

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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.