Home / 1,036,243.53-1,554,420.78-326,326.86

Finding the Fourth Proportional to 1,036,243.53, 1,554,420.78 and 326,326.86

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Solution

The fourth proportional to 1,036,243.53, 1,554,420.78 and 326,326.86 is: 489,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,243.53 : 1,554,420.78 = 326,326.86 : x
  2. Step 2: Convert to fraction form
    1,036,243.53/1,554,420.78 = 326,326.86/x
  3. Step 3: Cross multiply
    1,036,243.53x = 1,554,420.78 × 326,326.86
  4. Step 4: Simplify right side
    1,036,243.53x = 507,249,252,256.15
  5. Step 5: Solve for x
    x = 507,249,252,256.15/1,036,243.53
  6. Step 6: Final answer
    x = 489,507.76

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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.