Home / 1,133,444.54-1,564,034.54-643,257.95

Finding the Fourth Proportional to 1,133,444.54, 1,564,034.54 and 643,257.95

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Solution

The fourth proportional to 1,133,444.54, 1,564,034.54 and 643,257.95 is: 887,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,444.54 : 1,564,034.54 = 643,257.95 : x
  2. Step 2: Convert to fraction form
    1,133,444.54/1,564,034.54 = 643,257.95/x
  3. Step 3: Cross multiply
    1,133,444.54x = 1,564,034.54 × 643,257.95
  4. Step 4: Simplify right side
    1,133,444.54x = 1,006,077,657,447.82
  5. Step 5: Solve for x
    x = 1,006,077,657,447.82/1,133,444.54
  6. Step 6: Final answer
    x = 887,628.49

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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.