Home / 1,507,290-2,079,545.31-934,121.04

Finding the Fourth Proportional to 1,507,290, 2,079,545.31 and 934,121.04

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Solution

The fourth proportional to 1,507,290, 2,079,545.31 and 934,121.04 is: 1,288,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,290 : 2,079,545.31 = 934,121.04 : x
  2. Step 2: Convert to fraction form
    1,507,290/2,079,545.31 = 934,121.04/x
  3. Step 3: Cross multiply
    1,507,290x = 2,079,545.31 × 934,121.04
  4. Step 4: Simplify right side
    1,507,290x = 1,942,547,027,704.32
  5. Step 5: Solve for x
    x = 1,942,547,027,704.32/1,507,290
  6. Step 6: Final answer
    x = 1,288,767.94

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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.