Home / 1,543,081.02-2,313,499.95-644,779.86

Finding the Fourth Proportional to 1,543,081.02, 2,313,499.95 and 644,779.86

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Solution

The fourth proportional to 1,543,081.02, 2,313,499.95 and 644,779.86 is: 966,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,081.02 : 2,313,499.95 = 644,779.86 : x
  2. Step 2: Convert to fraction form
    1,543,081.02/2,313,499.95 = 644,779.86/x
  3. Step 3: Cross multiply
    1,543,081.02x = 2,313,499.95 × 644,779.86
  4. Step 4: Simplify right side
    1,543,081.02x = 1,491,698,173,871.01
  5. Step 5: Solve for x
    x = 1,491,698,173,871.01/1,543,081.02
  6. Step 6: Final answer
    x = 966,701.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.