Home / 1,354,343.60-1,868,953.72-742,475.44

Finding the Fourth Proportional to 1,354,343.60, 1,868,953.72 and 742,475.44

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Solution

The fourth proportional to 1,354,343.60, 1,868,953.72 and 742,475.44 is: 1,024,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,343.60 : 1,868,953.72 = 742,475.44 : x
  2. Step 2: Convert to fraction form
    1,354,343.60/1,868,953.72 = 742,475.44/x
  3. Step 3: Cross multiply
    1,354,343.60x = 1,868,953.72 × 742,475.44
  4. Step 4: Simplify right side
    1,354,343.60x = 1,387,652,235,596.64
  5. Step 5: Solve for x
    x = 1,387,652,235,596.64/1,354,343.60
  6. Step 6: Final answer
    x = 1,024,593.93

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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.