Home / 1,458,341.70-2,187,512.55-511,808.10

Finding the Fourth Proportional to 1,458,341.70, 2,187,512.55 and 511,808.10

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Solution

The fourth proportional to 1,458,341.70, 2,187,512.55 and 511,808.10 is: 767,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,341.70 : 2,187,512.55 = 511,808.10 : x
  2. Step 2: Convert to fraction form
    1,458,341.70/2,187,512.55 = 511,808.10/x
  3. Step 3: Cross multiply
    1,458,341.70x = 2,187,512.55 × 511,808.10
  4. Step 4: Simplify right side
    1,458,341.70x = 1,119,586,641,941.65
  5. Step 5: Solve for x
    x = 1,119,586,641,941.65/1,458,341.70
  6. Step 6: Final answer
    x = 767,712.15

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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.