Home / 1,213,343.60-1,820,015.40-977,147.60

Finding the Fourth Proportional to 1,213,343.60, 1,820,015.40 and 977,147.60

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Solution

The fourth proportional to 1,213,343.60, 1,820,015.40 and 977,147.60 is: 1,465,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,343.60 : 1,820,015.40 = 977,147.60 : x
  2. Step 2: Convert to fraction form
    1,213,343.60/1,820,015.40 = 977,147.60/x
  3. Step 3: Cross multiply
    1,213,343.60x = 1,820,015.40 × 977,147.60
  4. Step 4: Simplify right side
    1,213,343.60x = 1,778,423,680,073.04
  5. Step 5: Solve for x
    x = 1,778,423,680,073.04/1,213,343.60
  6. Step 6: Final answer
    x = 1,465,721.40

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Similar ratio
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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.