Home / 1,154,420.89-1,593,102.98-645,123.26

Finding the Fourth Proportional to 1,154,420.89, 1,593,102.98 and 645,123.26

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Solution

The fourth proportional to 1,154,420.89, 1,593,102.98 and 645,123.26 is: 890,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,420.89 : 1,593,102.98 = 645,123.26 : x
  2. Step 2: Convert to fraction form
    1,154,420.89/1,593,102.98 = 645,123.26/x
  3. Step 3: Cross multiply
    1,154,420.89x = 1,593,102.98 × 645,123.26
  4. Step 4: Simplify right side
    1,154,420.89x = 1,027,747,787,973.31
  5. Step 5: Solve for x
    x = 1,027,747,787,973.31/1,154,420.89
  6. Step 6: Final answer
    x = 890,271.30

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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.