Home / 1,000,442.72-1,500,821.04-326,368.46

Finding the Fourth Proportional to 1,000,442.72, 1,500,821.04 and 326,368.46

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Solution

The fourth proportional to 1,000,442.72, 1,500,821.04 and 326,368.46 is: 489,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,442.72 : 1,500,821.04 = 326,368.46 : x
  2. Step 2: Convert to fraction form
    1,000,442.72/1,500,821.04 = 326,368.46/x
  3. Step 3: Cross multiply
    1,000,442.72x = 1,500,821.04 × 326,368.46
  4. Step 4: Simplify right side
    1,000,442.72x = 489,820,651,560.40
  5. Step 5: Solve for x
    x = 489,820,651,560.40/1,000,442.72
  6. Step 6: Final answer
    x = 489,603.89

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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.