Home / 1,128,533.86-1,692,013.47-418,371.22

Finding the Fourth Proportional to 1,128,533.86, 1,692,013.47 and 418,371.22

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Solution

The fourth proportional to 1,128,533.86, 1,692,013.47 and 418,371.22 is: 627,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,533.86 : 1,692,013.47 = 418,371.22 : x
  2. Step 2: Convert to fraction form
    1,128,533.86/1,692,013.47 = 418,371.22/x
  3. Step 3: Cross multiply
    1,128,533.86x = 1,692,013.47 × 418,371.22
  4. Step 4: Simplify right side
    1,128,533.86x = 707,889,736,076.03
  5. Step 5: Solve for x
    x = 707,889,736,076.03/1,128,533.86
  6. Step 6: Final answer
    x = 627,264.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.