Home / 1,557,905.10-2,337,039.90-493,054.80

Finding the Fourth Proportional to 1,557,905.10, 2,337,039.90 and 493,054.80

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Solution

The fourth proportional to 1,557,905.10, 2,337,039.90 and 493,054.80 is: 739,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,905.10 : 2,337,039.90 = 493,054.80 : x
  2. Step 2: Convert to fraction form
    1,557,905.10/2,337,039.90 = 493,054.80/x
  3. Step 3: Cross multiply
    1,557,905.10x = 2,337,039.90 × 493,054.80
  4. Step 4: Simplify right side
    1,557,905.10x = 1,152,288,740,486.52
  5. Step 5: Solve for x
    x = 1,152,288,740,486.52/1,557,905.10
  6. Step 6: Final answer
    x = 739,639.88

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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.