Home / 1,262,205.18-1,893,307.76-315,575.90

Finding the Fourth Proportional to 1,262,205.18, 1,893,307.76 and 315,575.90

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Solution

The fourth proportional to 1,262,205.18, 1,893,307.76 and 315,575.90 is: 473,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,205.18 : 1,893,307.76 = 315,575.90 : x
  2. Step 2: Convert to fraction form
    1,262,205.18/1,893,307.76 = 315,575.90/x
  3. Step 3: Cross multiply
    1,262,205.18x = 1,893,307.76 × 315,575.90
  4. Step 4: Simplify right side
    1,262,205.18x = 597,482,289,294.57
  5. Step 5: Solve for x
    x = 597,482,289,294.57/1,262,205.18
  6. Step 6: Final answer
    x = 473,363.84

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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.