Home / 1,271,465.32-1,754,622.84-698,542.39

Finding the Fourth Proportional to 1,271,465.32, 1,754,622.84 and 698,542.39

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Solution

The fourth proportional to 1,271,465.32, 1,754,622.84 and 698,542.39 is: 963,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,465.32 : 1,754,622.84 = 698,542.39 : x
  2. Step 2: Convert to fraction form
    1,271,465.32/1,754,622.84 = 698,542.39/x
  3. Step 3: Cross multiply
    1,271,465.32x = 1,754,622.84 × 698,542.39
  4. Step 4: Simplify right side
    1,271,465.32x = 1,225,678,432,202.19
  5. Step 5: Solve for x
    x = 1,225,678,432,202.19/1,271,465.32
  6. Step 6: Final answer
    x = 963,988.88

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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.