Home / 1,294,142.40-1,941,213.60-916,228.80

Finding the Fourth Proportional to 1,294,142.40, 1,941,213.60 and 916,228.80

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Solution

The fourth proportional to 1,294,142.40, 1,941,213.60 and 916,228.80 is: 1,374,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,142.40 : 1,941,213.60 = 916,228.80 : x
  2. Step 2: Convert to fraction form
    1,294,142.40/1,941,213.60 = 916,228.80/x
  3. Step 3: Cross multiply
    1,294,142.40x = 1,941,213.60 × 916,228.80
  4. Step 4: Simplify right side
    1,294,142.40x = 1,778,595,807,271.68
  5. Step 5: Solve for x
    x = 1,778,595,807,271.68/1,294,142.40
  6. Step 6: Final answer
    x = 1,374,343.20

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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.