Home / 1,385,298.27-2,077,947.29-702,078.70

Finding the Fourth Proportional to 1,385,298.27, 2,077,947.29 and 702,078.70

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Solution

The fourth proportional to 1,385,298.27, 2,077,947.29 and 702,078.70 is: 1,053,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,298.27 : 2,077,947.29 = 702,078.70 : x
  2. Step 2: Convert to fraction form
    1,385,298.27/2,077,947.29 = 702,078.70/x
  3. Step 3: Cross multiply
    1,385,298.27x = 2,077,947.29 × 702,078.70
  4. Step 4: Simplify right side
    1,385,298.27x = 1,458,882,537,345.10
  5. Step 5: Solve for x
    x = 1,458,882,537,345.10/1,385,298.27
  6. Step 6: Final answer
    x = 1,053,118.00

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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.