Home / 924,192.40-1,386,288.60-868,205.20

Finding the Fourth Proportional to 924,192.40, 1,386,288.60 and 868,205.20

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Solution

The fourth proportional to 924,192.40, 1,386,288.60 and 868,205.20 is: 1,302,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,192.40 : 1,386,288.60 = 868,205.20 : x
  2. Step 2: Convert to fraction form
    924,192.40/1,386,288.60 = 868,205.20/x
  3. Step 3: Cross multiply
    924,192.40x = 1,386,288.60 × 868,205.20
  4. Step 4: Simplify right side
    924,192.40x = 1,203,582,971,220.72
  5. Step 5: Solve for x
    x = 1,203,582,971,220.72/924,192.40
  6. Step 6: Final answer
    x = 1,302,307.80

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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.