Home / 1,036,278.60-1,554,636.60-326,378.40

Finding the Fourth Proportional to 1,036,278.60, 1,554,636.60 and 326,378.40

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Solution

The fourth proportional to 1,036,278.60, 1,554,636.60 and 326,378.40 is: 489,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,278.60 : 1,554,636.60 = 326,378.40 : x
  2. Step 2: Convert to fraction form
    1,036,278.60/1,554,636.60 = 326,378.40/x
  3. Step 3: Cross multiply
    1,036,278.60x = 1,554,636.60 × 326,378.40
  4. Step 4: Simplify right side
    1,036,278.60x = 507,399,806,089.44
  5. Step 5: Solve for x
    x = 507,399,806,089.44/1,036,278.60
  6. Step 6: Final answer
    x = 489,636.48

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Double scale
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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.