Home / 1,639,862.70-2,262,995.16-904,823.70

Finding the Fourth Proportional to 1,639,862.70, 2,262,995.16 and 904,823.70

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Solution

The fourth proportional to 1,639,862.70, 2,262,995.16 and 904,823.70 is: 1,248,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,862.70 : 2,262,995.16 = 904,823.70 : x
  2. Step 2: Convert to fraction form
    1,639,862.70/2,262,995.16 = 904,823.70/x
  3. Step 3: Cross multiply
    1,639,862.70x = 2,262,995.16 × 904,823.70
  4. Step 4: Simplify right side
    1,639,862.70x = 2,047,611,653,753.29
  5. Step 5: Solve for x
    x = 2,047,611,653,753.29/1,639,862.70
  6. Step 6: Final answer
    x = 1,248,648.23

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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.