Home / 1,281,341.53-1,768,288.22-708,418.61

Finding the Fourth Proportional to 1,281,341.53, 1,768,288.22 and 708,418.61

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Solution

The fourth proportional to 1,281,341.53, 1,768,288.22 and 708,418.61 is: 977,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,341.53 : 1,768,288.22 = 708,418.61 : x
  2. Step 2: Convert to fraction form
    1,281,341.53/1,768,288.22 = 708,418.61/x
  3. Step 3: Cross multiply
    1,281,341.53x = 1,768,288.22 × 708,418.61
  4. Step 4: Simplify right side
    1,281,341.53x = 1,252,688,279,795.89
  5. Step 5: Solve for x
    x = 1,252,688,279,795.89/1,281,341.53
  6. Step 6: Final answer
    x = 977,638.08

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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.