Home / 918,031.80-1,377,047.70-634,596.60

Finding the Fourth Proportional to 918,031.80, 1,377,047.70 and 634,596.60

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Solution

The fourth proportional to 918,031.80, 1,377,047.70 and 634,596.60 is: 951,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,031.80 : 1,377,047.70 = 634,596.60 : x
  2. Step 2: Convert to fraction form
    918,031.80/1,377,047.70 = 634,596.60/x
  3. Step 3: Cross multiply
    918,031.80x = 1,377,047.70 × 634,596.60
  4. Step 4: Simplify right side
    918,031.80x = 873,869,788,457.82
  5. Step 5: Solve for x
    x = 873,869,788,457.82/918,031.80
  6. Step 6: Final answer
    x = 951,894.90

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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.