Home / 1,587,764.80-2,191,072.76-934,429.26

Finding the Fourth Proportional to 1,587,764.80, 2,191,072.76 and 934,429.26

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Solution

The fourth proportional to 1,587,764.80, 2,191,072.76 and 934,429.26 is: 1,289,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,764.80 : 2,191,072.76 = 934,429.26 : x
  2. Step 2: Convert to fraction form
    1,587,764.80/2,191,072.76 = 934,429.26/x
  3. Step 3: Cross multiply
    1,587,764.80x = 2,191,072.76 × 934,429.26
  4. Step 4: Simplify right side
    1,587,764.80x = 2,047,402,497,732.96
  5. Step 5: Solve for x
    x = 2,047,402,497,732.96/1,587,764.80
  6. Step 6: Final answer
    x = 1,289,487.27

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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.