Home / 1,531,561.29-2,297,615.54-520,630.13

Finding the Fourth Proportional to 1,531,561.29, 2,297,615.54 and 520,630.13

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Solution

The fourth proportional to 1,531,561.29, 2,297,615.54 and 520,630.13 is: 781,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,561.29 : 2,297,615.54 = 520,630.13 : x
  2. Step 2: Convert to fraction form
    1,531,561.29/2,297,615.54 = 520,630.13/x
  3. Step 3: Cross multiply
    1,531,561.29x = 2,297,615.54 × 520,630.13
  4. Step 4: Simplify right side
    1,531,561.29x = 1,196,207,863,188.99
  5. Step 5: Solve for x
    x = 1,196,207,863,188.99/1,531,561.29
  6. Step 6: Final answer
    x = 781,038.19

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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.