Home / 1,265,335.32-1,897,862.58-318,705.96

Finding the Fourth Proportional to 1,265,335.32, 1,897,862.58 and 318,705.96

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Solution

The fourth proportional to 1,265,335.32, 1,897,862.58 and 318,705.96 is: 478,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,335.32 : 1,897,862.58 = 318,705.96 : x
  2. Step 2: Convert to fraction form
    1,265,335.32/1,897,862.58 = 318,705.96/x
  3. Step 3: Cross multiply
    1,265,335.32x = 1,897,862.58 × 318,705.96
  4. Step 4: Simplify right side
    1,265,335.32x = 604,860,115,506.98
  5. Step 5: Solve for x
    x = 604,860,115,506.98/1,265,335.32
  6. Step 6: Final answer
    x = 478,023.58

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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.