Home / 1,543,357.46-2,129,657.72-898,641.74

Finding the Fourth Proportional to 1,543,357.46, 2,129,657.72 and 898,641.74

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Solution

The fourth proportional to 1,543,357.46, 2,129,657.72 and 898,641.74 is: 1,240,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,357.46 : 2,129,657.72 = 898,641.74 : x
  2. Step 2: Convert to fraction form
    1,543,357.46/2,129,657.72 = 898,641.74/x
  3. Step 3: Cross multiply
    1,543,357.46x = 2,129,657.72 × 898,641.74
  4. Step 4: Simplify right side
    1,543,357.46x = 1,913,799,319,105.23
  5. Step 5: Solve for x
    x = 1,913,799,319,105.23/1,543,357.46
  6. Step 6: Final answer
    x = 1,240,023.37

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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.