Home / 1,417,947.52-2,125,725.72-618,642.80

Finding the Fourth Proportional to 1,417,947.52, 2,125,725.72 and 618,642.80

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Solution

The fourth proportional to 1,417,947.52, 2,125,725.72 and 618,642.80 is: 927,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,947.52 : 2,125,725.72 = 618,642.80 : x
  2. Step 2: Convert to fraction form
    1,417,947.52/2,125,725.72 = 618,642.80/x
  3. Step 3: Cross multiply
    1,417,947.52x = 2,125,725.72 × 618,642.80
  4. Step 4: Simplify right side
    1,417,947.52x = 1,315,064,911,452.82
  5. Step 5: Solve for x
    x = 1,315,064,911,452.82/1,417,947.52
  6. Step 6: Final answer
    x = 927,442.58

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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.