Home / 1,402,544.56-2,106,807.17-1,320,543.74

Finding the Fourth Proportional to 1,402,544.56, 2,106,807.17 and 1,320,543.74

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Solution

The fourth proportional to 1,402,544.56, 2,106,807.17 and 1,320,543.74 is: 1,983,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,544.56 : 2,106,807.17 = 1,320,543.74 : x
  2. Step 2: Convert to fraction form
    1,402,544.56/2,106,807.17 = 1,320,543.74/x
  3. Step 3: Cross multiply
    1,402,544.56x = 2,106,807.17 × 1,320,543.74
  4. Step 4: Simplify right side
    1,402,544.56x = 2,782,131,012,497.94
  5. Step 5: Solve for x
    x = 2,782,131,012,497.94/1,402,544.56
  6. Step 6: Final answer
    x = 1,983,631.11

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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.