Home / 1,260,816.28-1,739,918.19-716,952.10

Finding the Fourth Proportional to 1,260,816.28, 1,739,918.19 and 716,952.10

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Solution

The fourth proportional to 1,260,816.28, 1,739,918.19 and 716,952.10 is: 989,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,816.28 : 1,739,918.19 = 716,952.10 : x
  2. Step 2: Convert to fraction form
    1,260,816.28/1,739,918.19 = 716,952.10/x
  3. Step 3: Cross multiply
    1,260,816.28x = 1,739,918.19 × 716,952.10
  4. Step 4: Simplify right side
    1,260,816.28x = 1,247,438,000,148.70
  5. Step 5: Solve for x
    x = 1,247,438,000,148.70/1,260,816.28
  6. Step 6: Final answer
    x = 989,389.19

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1.5x scale

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.