Home / 1,585,002.72-2,187,266.04-877,744.74

Finding the Fourth Proportional to 1,585,002.72, 2,187,266.04 and 877,744.74

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Solution

The fourth proportional to 1,585,002.72, 2,187,266.04 and 877,744.74 is: 1,211,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,002.72 : 2,187,266.04 = 877,744.74 : x
  2. Step 2: Convert to fraction form
    1,585,002.72/2,187,266.04 = 877,744.74/x
  3. Step 3: Cross multiply
    1,585,002.72x = 2,187,266.04 × 877,744.74
  4. Step 4: Simplify right side
    1,585,002.72x = 1,919,861,261,590.63
  5. Step 5: Solve for x
    x = 1,919,861,261,590.63/1,585,002.72
  6. Step 6: Final answer
    x = 1,211,266.86

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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.