Home / 3,072,752.40-4,609,128.60-829,117.20

Finding the Fourth Proportional to 3,072,752.40, 4,609,128.60 and 829,117.20

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Solution

The fourth proportional to 3,072,752.40, 4,609,128.60 and 829,117.20 is: 1,243,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,752.40 : 4,609,128.60 = 829,117.20 : x
  2. Step 2: Convert to fraction form
    3,072,752.40/4,609,128.60 = 829,117.20/x
  3. Step 3: Cross multiply
    3,072,752.40x = 4,609,128.60 × 829,117.20
  4. Step 4: Simplify right side
    3,072,752.40x = 3,821,507,799,271.92
  5. Step 5: Solve for x
    x = 3,821,507,799,271.92/3,072,752.40
  6. Step 6: Final answer
    x = 1,243,675.80

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Similar ratio
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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.