Home / 990,353.60-1,363,580.16-873,946.88

Finding the Fourth Proportional to 990,353.60, 1,363,580.16 and 873,946.88

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Solution

The fourth proportional to 990,353.60, 1,363,580.16 and 873,946.88 is: 1,203,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,353.60 : 1,363,580.16 = 873,946.88 : x
  2. Step 2: Convert to fraction form
    990,353.60/1,363,580.16 = 873,946.88/x
  3. Step 3: Cross multiply
    990,353.60x = 1,363,580.16 × 873,946.88
  4. Step 4: Simplify right side
    990,353.60x = 1,191,696,626,461.90
  5. Step 5: Solve for x
    x = 1,191,696,626,461.90/990,353.60
  6. Step 6: Final answer
    x = 1,203,304.18

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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.