Home / 1,354,326.92-1,868,992.08-742,538.24

Finding the Fourth Proportional to 1,354,326.92, 1,868,992.08 and 742,538.24

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Solution

The fourth proportional to 1,354,326.92, 1,868,992.08 and 742,538.24 is: 1,024,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,326.92 : 1,868,992.08 = 742,538.24 : x
  2. Step 2: Convert to fraction form
    1,354,326.92/1,868,992.08 = 742,538.24/x
  3. Step 3: Cross multiply
    1,354,326.92x = 1,868,992.08 × 742,538.24
  4. Step 4: Simplify right side
    1,354,326.92x = 1,387,798,089,657.14
  5. Step 5: Solve for x
    x = 1,387,798,089,657.14/1,354,326.92
  6. Step 6: Final answer
    x = 1,024,714.25

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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.