Home / 1,260,821.76-1,739,925.78-716,957.58

Finding the Fourth Proportional to 1,260,821.76, 1,739,925.78 and 716,957.58

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Solution

The fourth proportional to 1,260,821.76, 1,739,925.78 and 716,957.58 is: 989,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,821.76 : 1,739,925.78 = 716,957.58 : x
  2. Step 2: Convert to fraction form
    1,260,821.76/1,739,925.78 = 716,957.58/x
  3. Step 3: Cross multiply
    1,260,821.76x = 1,739,925.78 × 716,957.58
  4. Step 4: Simplify right side
    1,260,821.76x = 1,247,452,976,608.41
  5. Step 5: Solve for x
    x = 1,247,452,976,608.41/1,260,821.76
  6. Step 6: Final answer
    x = 989,396.77

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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.