Home / 1,583,495.12-2,187,039.31-1,042,048.08

Finding the Fourth Proportional to 1,583,495.12, 2,187,039.31 and 1,042,048.08

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Solution

The fourth proportional to 1,583,495.12, 2,187,039.31 and 1,042,048.08 is: 1,439,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,495.12 : 2,187,039.31 = 1,042,048.08 : x
  2. Step 2: Convert to fraction form
    1,583,495.12/2,187,039.31 = 1,042,048.08/x
  3. Step 3: Cross multiply
    1,583,495.12x = 2,187,039.31 × 1,042,048.08
  4. Step 4: Simplify right side
    1,583,495.12x = 2,279,000,111,264.90
  5. Step 5: Solve for x
    x = 2,279,000,111,264.90/1,583,495.12
  6. Step 6: Final answer
    x = 1,439,221.43

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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.