Home / 1,399,995.60-2,101,548.60-868,117.20

Finding the Fourth Proportional to 1,399,995.60, 2,101,548.60 and 868,117.20

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Solution

The fourth proportional to 1,399,995.60, 2,101,548.60 and 868,117.20 is: 1,303,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,995.60 : 2,101,548.60 = 868,117.20 : x
  2. Step 2: Convert to fraction form
    1,399,995.60/2,101,548.60 = 868,117.20/x
  3. Step 3: Cross multiply
    1,399,995.60x = 2,101,548.60 × 868,117.20
  4. Step 4: Simplify right side
    1,399,995.60x = 1,824,390,486,295.92
  5. Step 5: Solve for x
    x = 1,824,390,486,295.92/1,399,995.60
  6. Step 6: Final answer
    x = 1,303,140.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.