Home / 1,000,191.25-1,500,418.70-326,036.35

Finding the Fourth Proportional to 1,000,191.25, 1,500,418.70 and 326,036.35

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Solution

The fourth proportional to 1,000,191.25, 1,500,418.70 and 326,036.35 is: 489,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,191.25 : 1,500,418.70 = 326,036.35 : x
  2. Step 2: Convert to fraction form
    1,000,191.25/1,500,418.70 = 326,036.35/x
  3. Step 3: Cross multiply
    1,000,191.25x = 1,500,418.70 × 326,036.35
  4. Step 4: Simplify right side
    1,000,191.25x = 489,191,036,419.75
  5. Step 5: Solve for x
    x = 489,191,036,419.75/1,000,191.25
  6. Step 6: Final answer
    x = 489,097.50

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1.5x scale

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.