Home / 886,379.40-1,329,569.10-788,401.80

Finding the Fourth Proportional to 886,379.40, 1,329,569.10 and 788,401.80

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Solution

The fourth proportional to 886,379.40, 1,329,569.10 and 788,401.80 is: 1,182,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,379.40 : 1,329,569.10 = 788,401.80 : x
  2. Step 2: Convert to fraction form
    886,379.40/1,329,569.10 = 788,401.80/x
  3. Step 3: Cross multiply
    886,379.40x = 1,329,569.10 × 788,401.80
  4. Step 4: Simplify right side
    886,379.40x = 1,048,234,671,664.38
  5. Step 5: Solve for x
    x = 1,048,234,671,664.38/886,379.40
  6. Step 6: Final answer
    x = 1,182,602.70

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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.