Home / 1,001,639.85-1,382,741.76-571,836.93

Finding the Fourth Proportional to 1,001,639.85, 1,382,741.76 and 571,836.93

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Solution

The fourth proportional to 1,001,639.85, 1,382,741.76 and 571,836.93 is: 789,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,639.85 : 1,382,741.76 = 571,836.93 : x
  2. Step 2: Convert to fraction form
    1,001,639.85/1,382,741.76 = 571,836.93/x
  3. Step 3: Cross multiply
    1,001,639.85x = 1,382,741.76 × 571,836.93
  4. Step 4: Simplify right side
    1,001,639.85x = 790,702,803,021.20
  5. Step 5: Solve for x
    x = 790,702,803,021.20/1,001,639.85
  6. Step 6: Final answer
    x = 789,408.29

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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.