Home / 1,604,257.20-2,405,219.40-657,140.40

Finding the Fourth Proportional to 1,604,257.20, 2,405,219.40 and 657,140.40

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Solution

The fourth proportional to 1,604,257.20, 2,405,219.40 and 657,140.40 is: 985,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,257.20 : 2,405,219.40 = 657,140.40 : x
  2. Step 2: Convert to fraction form
    1,604,257.20/2,405,219.40 = 657,140.40/x
  3. Step 3: Cross multiply
    1,604,257.20x = 2,405,219.40 × 657,140.40
  4. Step 4: Simplify right side
    1,604,257.20x = 1,580,566,838,603.76
  5. Step 5: Solve for x
    x = 1,580,566,838,603.76/1,604,257.20
  6. Step 6: Final answer
    x = 985,232.82

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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.