Home / 1,430,059.08-2,144,977.56-672,066.48

Finding the Fourth Proportional to 1,430,059.08, 2,144,977.56 and 672,066.48

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Solution

The fourth proportional to 1,430,059.08, 2,144,977.56 and 672,066.48 is: 1,008,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,059.08 : 2,144,977.56 = 672,066.48 : x
  2. Step 2: Convert to fraction form
    1,430,059.08/2,144,977.56 = 672,066.48/x
  3. Step 3: Cross multiply
    1,430,059.08x = 2,144,977.56 × 672,066.48
  4. Step 4: Simplify right side
    1,430,059.08x = 1,441,567,518,428.19
  5. Step 5: Solve for x
    x = 1,441,567,518,428.19/1,430,059.08
  6. Step 6: Final answer
    x = 1,008,047.53

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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.