Home / 1,098,061.74-1,515,411.72-808,995.01

Finding the Fourth Proportional to 1,098,061.74, 1,515,411.72 and 808,995.01

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Solution

The fourth proportional to 1,098,061.74, 1,515,411.72 and 808,995.01 is: 1,116,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,061.74 : 1,515,411.72 = 808,995.01 : x
  2. Step 2: Convert to fraction form
    1,098,061.74/1,515,411.72 = 808,995.01/x
  3. Step 3: Cross multiply
    1,098,061.74x = 1,515,411.72 × 808,995.01
  4. Step 4: Simplify right side
    1,098,061.74x = 1,225,960,519,575.52
  5. Step 5: Solve for x
    x = 1,225,960,519,575.52/1,098,061.74
  6. Step 6: Final answer
    x = 1,116,476.86

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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.