Home / 1,271,670.12-1,754,903.34-698,708.88

Finding the Fourth Proportional to 1,271,670.12, 1,754,903.34 and 698,708.88

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Solution

The fourth proportional to 1,271,670.12, 1,754,903.34 and 698,708.88 is: 964,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,670.12 : 1,754,903.34 = 698,708.88 : x
  2. Step 2: Convert to fraction form
    1,271,670.12/1,754,903.34 = 698,708.88/x
  3. Step 3: Cross multiply
    1,271,670.12x = 1,754,903.34 × 698,708.88
  4. Step 4: Simplify right side
    1,271,670.12x = 1,226,166,547,199.66
  5. Step 5: Solve for x
    x = 1,226,166,547,199.66/1,271,670.12
  6. Step 6: Final answer
    x = 964,217.47

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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.