Home / 1,443,431.13-2,165,146.69-446,159.13

Finding the Fourth Proportional to 1,443,431.13, 2,165,146.69 and 446,159.13

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Solution

The fourth proportional to 1,443,431.13, 2,165,146.69 and 446,159.13 is: 669,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,431.13 : 2,165,146.69 = 446,159.13 : x
  2. Step 2: Convert to fraction form
    1,443,431.13/2,165,146.69 = 446,159.13/x
  3. Step 3: Cross multiply
    1,443,431.13x = 2,165,146.69 × 446,159.13
  4. Step 4: Simplify right side
    1,443,431.13x = 965,999,963,532.78
  5. Step 5: Solve for x
    x = 965,999,963,532.78/1,443,431.13
  6. Step 6: Final answer
    x = 669,238.69

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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.