Home / 1,281,271.13-1,768,000.65-708,233.39

Finding the Fourth Proportional to 1,281,271.13, 1,768,000.65 and 708,233.39

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Solution

The fourth proportional to 1,281,271.13, 1,768,000.65 and 708,233.39 is: 977,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,271.13 : 1,768,000.65 = 708,233.39 : x
  2. Step 2: Convert to fraction form
    1,281,271.13/1,768,000.65 = 708,233.39/x
  3. Step 3: Cross multiply
    1,281,271.13x = 1,768,000.65 × 708,233.39
  4. Step 4: Simplify right side
    1,281,271.13x = 1,252,157,085,031.70
  5. Step 5: Solve for x
    x = 1,252,157,085,031.70/1,281,271.13
  6. Step 6: Final answer
    x = 977,277.22

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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.