Home / 918,145.80-1,377,218.70-634,710.60

Finding the Fourth Proportional to 918,145.80, 1,377,218.70 and 634,710.60

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Solution

The fourth proportional to 918,145.80, 1,377,218.70 and 634,710.60 is: 952,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,145.80 : 1,377,218.70 = 634,710.60 : x
  2. Step 2: Convert to fraction form
    918,145.80/1,377,218.70 = 634,710.60/x
  3. Step 3: Cross multiply
    918,145.80x = 1,377,218.70 × 634,710.60
  4. Step 4: Simplify right side
    918,145.80x = 874,135,307,408.22
  5. Step 5: Solve for x
    x = 874,135,307,408.22/918,145.80
  6. Step 6: Final answer
    x = 952,065.90

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Similar ratio
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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.