Home / 1,271,462.16-1,754,636.40-690,696.12

Finding the Fourth Proportional to 1,271,462.16, 1,754,636.40 and 690,696.12

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Solution

The fourth proportional to 1,271,462.16, 1,754,636.40 and 690,696.12 is: 953,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,462.16 : 1,754,636.40 = 690,696.12 : x
  2. Step 2: Convert to fraction form
    1,271,462.16/1,754,636.40 = 690,696.12/x
  3. Step 3: Cross multiply
    1,271,462.16x = 1,754,636.40 × 690,696.12
  4. Step 4: Simplify right side
    1,271,462.16x = 1,211,920,553,490.77
  5. Step 5: Solve for x
    x = 1,211,920,553,490.77/1,271,462.16
  6. Step 6: Final answer
    x = 953,170.76

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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.