Home / 1,027,155.33-1,539,898.02-428,562.50

Finding the Fourth Proportional to 1,027,155.33, 1,539,898.02 and 428,562.50

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Solution

The fourth proportional to 1,027,155.33, 1,539,898.02 and 428,562.50 is: 642,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,155.33 : 1,539,898.02 = 428,562.50 : x
  2. Step 2: Convert to fraction form
    1,027,155.33/1,539,898.02 = 428,562.50/x
  3. Step 3: Cross multiply
    1,027,155.33x = 1,539,898.02 × 428,562.50
  4. Step 4: Simplify right side
    1,027,155.33x = 659,942,537,496.76
  5. Step 5: Solve for x
    x = 659,942,537,496.76/1,027,155.33
  6. Step 6: Final answer
    x = 642,495.36

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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.