Home / 1,260,670.33-1,739,807.27-716,856.72

Finding the Fourth Proportional to 1,260,670.33, 1,739,807.27 and 716,856.72

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Solution

The fourth proportional to 1,260,670.33, 1,739,807.27 and 716,856.72 is: 989,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,670.33 : 1,739,807.27 = 716,856.72 : x
  2. Step 2: Convert to fraction form
    1,260,670.33/1,739,807.27 = 716,856.72/x
  3. Step 3: Cross multiply
    1,260,670.33x = 1,739,807.27 × 716,856.72
  4. Step 4: Simplify right side
    1,260,670.33x = 1,247,192,533,004.35
  5. Step 5: Solve for x
    x = 1,247,192,533,004.35/1,260,670.33
  6. Step 6: Final answer
    x = 989,309.02

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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.