Home / 1,551,030.23-2,140,391.02-862,687.28

Finding the Fourth Proportional to 1,551,030.23, 2,140,391.02 and 862,687.28

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Solution

The fourth proportional to 1,551,030.23, 2,140,391.02 and 862,687.28 is: 1,190,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,030.23 : 2,140,391.02 = 862,687.28 : x
  2. Step 2: Convert to fraction form
    1,551,030.23/2,140,391.02 = 862,687.28/x
  3. Step 3: Cross multiply
    1,551,030.23x = 2,140,391.02 × 862,687.28
  4. Step 4: Simplify right side
    1,551,030.23x = 1,846,488,102,866.79
  5. Step 5: Solve for x
    x = 1,846,488,102,866.79/1,551,030.23
  6. Step 6: Final answer
    x = 1,190,491.37

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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.