Home / 1,376,006.10-2,064,009.15-429,253.80

Finding the Fourth Proportional to 1,376,006.10, 2,064,009.15 and 429,253.80

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Solution

The fourth proportional to 1,376,006.10, 2,064,009.15 and 429,253.80 is: 643,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,006.10 : 2,064,009.15 = 429,253.80 : x
  2. Step 2: Convert to fraction form
    1,376,006.10/2,064,009.15 = 429,253.80/x
  3. Step 3: Cross multiply
    1,376,006.10x = 2,064,009.15 × 429,253.80
  4. Step 4: Simplify right side
    1,376,006.10x = 885,983,770,872.27
  5. Step 5: Solve for x
    x = 885,983,770,872.27/1,376,006.10
  6. Step 6: Final answer
    x = 643,880.70

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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.