Home / 1,359,400.52-2,038,969.02-412,779.56

Finding the Fourth Proportional to 1,359,400.52, 2,038,969.02 and 412,779.56

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Solution

The fourth proportional to 1,359,400.52, 2,038,969.02 and 412,779.56 is: 619,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,400.52 : 2,038,969.02 = 412,779.56 : x
  2. Step 2: Convert to fraction form
    1,359,400.52/2,038,969.02 = 412,779.56/x
  3. Step 3: Cross multiply
    1,359,400.52x = 2,038,969.02 × 412,779.56
  4. Step 4: Simplify right side
    1,359,400.52x = 841,644,734,929.23
  5. Step 5: Solve for x
    x = 841,644,734,929.23/1,359,400.52
  6. Step 6: Final answer
    x = 619,129.33

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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.