Home / 1,567,743.40-2,163,373.88-870,061.64

Finding the Fourth Proportional to 1,567,743.40, 2,163,373.88 and 870,061.64

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Solution

The fourth proportional to 1,567,743.40, 2,163,373.88 and 870,061.64 is: 1,200,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,743.40 : 2,163,373.88 = 870,061.64 : x
  2. Step 2: Convert to fraction form
    1,567,743.40/2,163,373.88 = 870,061.64/x
  3. Step 3: Cross multiply
    1,567,743.40x = 2,163,373.88 × 870,061.64
  4. Step 4: Simplify right side
    1,567,743.40x = 1,882,268,625,965.96
  5. Step 5: Solve for x
    x = 1,882,268,625,965.96/1,567,743.40
  6. Step 6: Final answer
    x = 1,200,622.90

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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.