Home / 1,325,363.60-1,988,304.60-526,509.20

Finding the Fourth Proportional to 1,325,363.60, 1,988,304.60 and 526,509.20

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Solution

The fourth proportional to 1,325,363.60, 1,988,304.60 and 526,509.20 is: 789,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,363.60 : 1,988,304.60 = 526,509.20 : x
  2. Step 2: Convert to fraction form
    1,325,363.60/1,988,304.60 = 526,509.20/x
  3. Step 3: Cross multiply
    1,325,363.60x = 1,988,304.60 × 526,509.20
  4. Step 4: Simplify right side
    1,325,363.60x = 1,046,860,664,302.32
  5. Step 5: Solve for x
    x = 1,046,860,664,302.32/1,325,363.60
  6. Step 6: Final answer
    x = 789,866.77

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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.