Home / 1,260,789.66-1,739,881.46-716,925.48

Finding the Fourth Proportional to 1,260,789.66, 1,739,881.46 and 716,925.48

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Solution

The fourth proportional to 1,260,789.66, 1,739,881.46 and 716,925.48 is: 989,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,789.66 : 1,739,881.46 = 716,925.48 : x
  2. Step 2: Convert to fraction form
    1,260,789.66/1,739,881.46 = 716,925.48/x
  3. Step 3: Cross multiply
    1,260,789.66x = 1,739,881.46 × 716,925.48
  4. Step 4: Simplify right side
    1,260,789.66x = 1,247,365,350,853.60
  5. Step 5: Solve for x
    x = 1,247,365,350,853.60/1,260,789.66
  6. Step 6: Final answer
    x = 989,352.46

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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.