Home / 1,543,018.50-2,128,873.46-999,570.87

Finding the Fourth Proportional to 1,543,018.50, 2,128,873.46 and 999,570.87

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Solution

The fourth proportional to 1,543,018.50, 2,128,873.46 and 999,570.87 is: 1,379,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,018.50 : 2,128,873.46 = 999,570.87 : x
  2. Step 2: Convert to fraction form
    1,543,018.50/2,128,873.46 = 999,570.87/x
  3. Step 3: Cross multiply
    1,543,018.50x = 2,128,873.46 × 999,570.87
  4. Step 4: Simplify right side
    1,543,018.50x = 2,127,959,891,534.26
  5. Step 5: Solve for x
    x = 2,127,959,891,534.26/1,543,018.50
  6. Step 6: Final answer
    x = 1,379,089.03

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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.