Home / 1,443,802.68-2,167,832.98-805,353.78

Finding the Fourth Proportional to 1,443,802.68, 2,167,832.98 and 805,353.78

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Solution

The fourth proportional to 1,443,802.68, 2,167,832.98 and 805,353.78 is: 1,209,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,802.68 : 2,167,832.98 = 805,353.78 : x
  2. Step 2: Convert to fraction form
    1,443,802.68/2,167,832.98 = 805,353.78/x
  3. Step 3: Cross multiply
    1,443,802.68x = 2,167,832.98 × 805,353.78
  4. Step 4: Simplify right side
    1,443,802.68x = 1,745,872,484,851.66
  5. Step 5: Solve for x
    x = 1,745,872,484,851.66/1,443,802.68
  6. Step 6: Final answer
    x = 1,209,218.20

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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.