Home / 1,186,220.60-1,779,330.90-1,131,108.20

Finding the Fourth Proportional to 1,186,220.60, 1,779,330.90 and 1,131,108.20

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Solution

The fourth proportional to 1,186,220.60, 1,779,330.90 and 1,131,108.20 is: 1,696,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,220.60 : 1,779,330.90 = 1,131,108.20 : x
  2. Step 2: Convert to fraction form
    1,186,220.60/1,779,330.90 = 1,131,108.20/x
  3. Step 3: Cross multiply
    1,186,220.60x = 1,779,330.90 × 1,131,108.20
  4. Step 4: Simplify right side
    1,186,220.60x = 2,012,615,771,503.38
  5. Step 5: Solve for x
    x = 2,012,615,771,503.38/1,186,220.60
  6. Step 6: Final answer
    x = 1,696,662.30

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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.