Home / 2,860,302.40-4,290,453.60-865,758.40

Finding the Fourth Proportional to 2,860,302.40, 4,290,453.60 and 865,758.40

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Solution

The fourth proportional to 2,860,302.40, 4,290,453.60 and 865,758.40 is: 1,298,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,302.40 : 4,290,453.60 = 865,758.40 : x
  2. Step 2: Convert to fraction form
    2,860,302.40/4,290,453.60 = 865,758.40/x
  3. Step 3: Cross multiply
    2,860,302.40x = 4,290,453.60 × 865,758.40
  4. Step 4: Simplify right side
    2,860,302.40x = 3,714,496,244,010.24
  5. Step 5: Solve for x
    x = 3,714,496,244,010.24/2,860,302.40
  6. Step 6: Final answer
    x = 1,298,637.60

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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.