Home / 1,548,419.04-2,136,763.20-869,384.16

Finding the Fourth Proportional to 1,548,419.04, 2,136,763.20 and 869,384.16

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Solution

The fourth proportional to 1,548,419.04, 2,136,763.20 and 869,384.16 is: 1,199,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,419.04 : 2,136,763.20 = 869,384.16 : x
  2. Step 2: Convert to fraction form
    1,548,419.04/2,136,763.20 = 869,384.16/x
  3. Step 3: Cross multiply
    1,548,419.04x = 2,136,763.20 × 869,384.16
  4. Step 4: Simplify right side
    1,548,419.04x = 1,857,668,079,750.91
  5. Step 5: Solve for x
    x = 1,857,668,079,750.91/1,548,419.04
  6. Step 6: Final answer
    x = 1,199,719.22

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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.