Home / 1,271,429.04-1,754,552.66-690,649.32

Finding the Fourth Proportional to 1,271,429.04, 1,754,552.66 and 690,649.32

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Solution

The fourth proportional to 1,271,429.04, 1,754,552.66 and 690,649.32 is: 953,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,429.04 : 1,754,552.66 = 690,649.32 : x
  2. Step 2: Convert to fraction form
    1,271,429.04/1,754,552.66 = 690,649.32/x
  3. Step 3: Cross multiply
    1,271,429.04x = 1,754,552.66 × 690,649.32
  4. Step 4: Simplify right side
    1,271,429.04x = 1,211,780,601,533.19
  5. Step 5: Solve for x
    x = 1,211,780,601,533.19/1,271,429.04
  6. Step 6: Final answer
    x = 953,085.52

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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.