Home / 1,260,697.60-1,739,844.90-716,883.88

Finding the Fourth Proportional to 1,260,697.60, 1,739,844.90 and 716,883.88

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Solution

The fourth proportional to 1,260,697.60, 1,739,844.90 and 716,883.88 is: 989,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,697.60 : 1,739,844.90 = 716,883.88 : x
  2. Step 2: Convert to fraction form
    1,260,697.60/1,739,844.90 = 716,883.88/x
  3. Step 3: Cross multiply
    1,260,697.60x = 1,739,844.90 × 716,883.88
  4. Step 4: Simplify right side
    1,260,697.60x = 1,247,266,762,510.21
  5. Step 5: Solve for x
    x = 1,247,266,762,510.21/1,260,697.60
  6. Step 6: Final answer
    x = 989,346.50

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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.