Home / 1,281,259.50-1,767,984.62-708,221.76

Finding the Fourth Proportional to 1,281,259.50, 1,767,984.62 and 708,221.76

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Solution

The fourth proportional to 1,281,259.50, 1,767,984.62 and 708,221.76 is: 977,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,259.50 : 1,767,984.62 = 708,221.76 : x
  2. Step 2: Convert to fraction form
    1,281,259.50/1,767,984.62 = 708,221.76/x
  3. Step 3: Cross multiply
    1,281,259.50x = 1,767,984.62 × 708,221.76
  4. Step 4: Simplify right side
    1,281,259.50x = 1,252,125,175,688.22
  5. Step 5: Solve for x
    x = 1,252,125,175,688.22/1,281,259.50
  6. Step 6: Final answer
    x = 977,261.18

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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.