Home / 1,215,340.02-1,677,148.74-671,498.46

Finding the Fourth Proportional to 1,215,340.02, 1,677,148.74 and 671,498.46

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Solution

The fourth proportional to 1,215,340.02, 1,677,148.74 and 671,498.46 is: 926,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,340.02 : 1,677,148.74 = 671,498.46 : x
  2. Step 2: Convert to fraction form
    1,215,340.02/1,677,148.74 = 671,498.46/x
  3. Step 3: Cross multiply
    1,215,340.02x = 1,677,148.74 × 671,498.46
  4. Step 4: Simplify right side
    1,215,340.02x = 1,126,202,796,100.94
  5. Step 5: Solve for x
    x = 1,126,202,796,100.94/1,215,340.02
  6. Step 6: Final answer
    x = 926,656.56

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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.