Home / 1,658,006.10-2,487,009.15-816,383.70

Finding the Fourth Proportional to 1,658,006.10, 2,487,009.15 and 816,383.70

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Solution

The fourth proportional to 1,658,006.10, 2,487,009.15 and 816,383.70 is: 1,224,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,006.10 : 2,487,009.15 = 816,383.70 : x
  2. Step 2: Convert to fraction form
    1,658,006.10/2,487,009.15 = 816,383.70/x
  3. Step 3: Cross multiply
    1,658,006.10x = 2,487,009.15 × 816,383.70
  4. Step 4: Simplify right side
    1,658,006.10x = 2,030,353,731,810.85
  5. Step 5: Solve for x
    x = 2,030,353,731,810.85/1,658,006.10
  6. Step 6: Final answer
    x = 1,224,575.55

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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.