Home / 1,567,911.30-2,351,862.40-430,674.59

Finding the Fourth Proportional to 1,567,911.30, 2,351,862.40 and 430,674.59

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Solution

The fourth proportional to 1,567,911.30, 2,351,862.40 and 430,674.59 is: 646,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,911.30 : 2,351,862.40 = 430,674.59 : x
  2. Step 2: Convert to fraction form
    1,567,911.30/2,351,862.40 = 430,674.59/x
  3. Step 3: Cross multiply
    1,567,911.30x = 2,351,862.40 × 430,674.59
  4. Step 4: Simplify right side
    1,567,911.30x = 1,012,887,360,943.73
  5. Step 5: Solve for x
    x = 1,012,887,360,943.73/1,567,911.30
  6. Step 6: Final answer
    x = 646,010.63

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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.