Home / 1,001,638.85-1,382,740.38-571,835.93

Finding the Fourth Proportional to 1,001,638.85, 1,382,740.38 and 571,835.93

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Solution

The fourth proportional to 1,001,638.85, 1,382,740.38 and 571,835.93 is: 789,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,638.85 : 1,382,740.38 = 571,835.93 : x
  2. Step 2: Convert to fraction form
    1,001,638.85/1,382,740.38 = 571,835.93/x
  3. Step 3: Cross multiply
    1,001,638.85x = 1,382,740.38 × 571,835.93
  4. Step 4: Simplify right side
    1,001,638.85x = 790,700,631,145.85
  5. Step 5: Solve for x
    x = 790,700,631,145.85/1,001,638.85
  6. Step 6: Final answer
    x = 789,406.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.