Home / 1,543,022.50-2,128,878.98-999,574.88

Finding the Fourth Proportional to 1,543,022.50, 2,128,878.98 and 999,574.88

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Solution

The fourth proportional to 1,543,022.50, 2,128,878.98 and 999,574.88 is: 1,379,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,022.50 : 2,128,878.98 = 999,574.88 : x
  2. Step 2: Convert to fraction form
    1,543,022.50/2,128,878.98 = 999,574.88/x
  3. Step 3: Cross multiply
    1,543,022.50x = 2,128,878.98 × 999,574.88
  4. Step 4: Simplify right side
    1,543,022.50x = 2,127,973,950,968.02
  5. Step 5: Solve for x
    x = 2,127,973,950,968.02/1,543,022.50
  6. Step 6: Final answer
    x = 1,379,094.57

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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.