Home / 1,171,805.50-1,617,264.15-742,125.58

Finding the Fourth Proportional to 1,171,805.50, 1,617,264.15 and 742,125.58

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Solution

The fourth proportional to 1,171,805.50, 1,617,264.15 and 742,125.58 is: 1,024,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,805.50 : 1,617,264.15 = 742,125.58 : x
  2. Step 2: Convert to fraction form
    1,171,805.50/1,617,264.15 = 742,125.58/x
  3. Step 3: Cross multiply
    1,171,805.50x = 1,617,264.15 × 742,125.58
  4. Step 4: Simplify right side
    1,171,805.50x = 1,200,213,095,331.96
  5. Step 5: Solve for x
    x = 1,200,213,095,331.96/1,171,805.50
  6. Step 6: Final answer
    x = 1,024,242.59

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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.