Home / 1,260,762.76-1,739,781.75-717,030.82

Finding the Fourth Proportional to 1,260,762.76, 1,739,781.75 and 717,030.82

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Solution

The fourth proportional to 1,260,762.76, 1,739,781.75 and 717,030.82 is: 989,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,762.76 : 1,739,781.75 = 717,030.82 : x
  2. Step 2: Convert to fraction form
    1,260,762.76/1,739,781.75 = 717,030.82/x
  3. Step 3: Cross multiply
    1,260,762.76x = 1,739,781.75 × 717,030.82
  4. Step 4: Simplify right side
    1,260,762.76x = 1,247,477,134,823.53
  5. Step 5: Solve for x
    x = 1,247,477,134,823.53/1,260,762.76
  6. Step 6: Final answer
    x = 989,462.23

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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.