Home / 1,202,993.06-1,660,066.85-686,726.46

Finding the Fourth Proportional to 1,202,993.06, 1,660,066.85 and 686,726.46

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Solution

The fourth proportional to 1,202,993.06, 1,660,066.85 and 686,726.46 is: 947,646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,993.06 : 1,660,066.85 = 686,726.46 : x
  2. Step 2: Convert to fraction form
    1,202,993.06/1,660,066.85 = 686,726.46/x
  3. Step 3: Cross multiply
    1,202,993.06x = 1,660,066.85 × 686,726.46
  4. Step 4: Simplify right side
    1,202,993.06x = 1,140,011,832,980.67
  5. Step 5: Solve for x
    x = 1,140,011,832,980.67/1,202,993.06
  6. Step 6: Final answer
    x = 947,646.23

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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.