Home / 1,270,990.02-1,753,959.45-690,208.08

Finding the Fourth Proportional to 1,270,990.02, 1,753,959.45 and 690,208.08

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Solution

The fourth proportional to 1,270,990.02, 1,753,959.45 and 690,208.08 is: 952,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,990.02 : 1,753,959.45 = 690,208.08 : x
  2. Step 2: Convert to fraction form
    1,270,990.02/1,753,959.45 = 690,208.08/x
  3. Step 3: Cross multiply
    1,270,990.02x = 1,753,959.45 × 690,208.08
  4. Step 4: Simplify right side
    1,270,990.02x = 1,210,596,984,382.36
  5. Step 5: Solve for x
    x = 1,210,596,984,382.36/1,270,990.02
  6. Step 6: Final answer
    x = 952,483.47

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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.