Home / 1,029,397.70-1,544,703.15-430,312.70

Finding the Fourth Proportional to 1,029,397.70, 1,544,703.15 and 430,312.70

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Solution

The fourth proportional to 1,029,397.70, 1,544,703.15 and 430,312.70 is: 645,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,397.70 : 1,544,703.15 = 430,312.70 : x
  2. Step 2: Convert to fraction form
    1,029,397.70/1,544,703.15 = 430,312.70/x
  3. Step 3: Cross multiply
    1,029,397.70x = 1,544,703.15 × 430,312.70
  4. Step 4: Simplify right side
    1,029,397.70x = 664,705,383,175.01
  5. Step 5: Solve for x
    x = 664,705,383,175.01/1,029,397.70
  6. Step 6: Final answer
    x = 645,722.62

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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.