Home / 1,042,618.10-1,438,478.39-583,665.08

Finding the Fourth Proportional to 1,042,618.10, 1,438,478.39 and 583,665.08

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Solution

The fourth proportional to 1,042,618.10, 1,438,478.39 and 583,665.08 is: 805,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,618.10 : 1,438,478.39 = 583,665.08 : x
  2. Step 2: Convert to fraction form
    1,042,618.10/1,438,478.39 = 583,665.08/x
  3. Step 3: Cross multiply
    1,042,618.10x = 1,438,478.39 × 583,665.08
  4. Step 4: Simplify right side
    1,042,618.10x = 839,589,598,844.39
  5. Step 5: Solve for x
    x = 839,589,598,844.39/1,042,618.10
  6. Step 6: Final answer
    x = 805,270.50

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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.