Home / 1,138,517.02-1,708,055.81-802,214.51

Finding the Fourth Proportional to 1,138,517.02, 1,708,055.81 and 802,214.51

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Solution

The fourth proportional to 1,138,517.02, 1,708,055.81 and 802,214.51 is: 1,203,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,517.02 : 1,708,055.81 = 802,214.51 : x
  2. Step 2: Convert to fraction form
    1,138,517.02/1,708,055.81 = 802,214.51/x
  3. Step 3: Cross multiply
    1,138,517.02x = 1,708,055.81 × 802,214.51
  4. Step 4: Simplify right side
    1,138,517.02x = 1,370,227,154,671.80
  5. Step 5: Solve for x
    x = 1,370,227,154,671.80/1,138,517.02
  6. Step 6: Final answer
    x = 1,203,519.25

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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.