Home / 1,280,452.84-1,767,021.28-707,488.96

Finding the Fourth Proportional to 1,280,452.84, 1,767,021.28 and 707,488.96

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Solution

The fourth proportional to 1,280,452.84, 1,767,021.28 and 707,488.96 is: 976,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,452.84 : 1,767,021.28 = 707,488.96 : x
  2. Step 2: Convert to fraction form
    1,280,452.84/1,767,021.28 = 707,488.96/x
  3. Step 3: Cross multiply
    1,280,452.84x = 1,767,021.28 × 707,488.96
  4. Step 4: Simplify right side
    1,280,452.84x = 1,250,148,047,685.07
  5. Step 5: Solve for x
    x = 1,250,148,047,685.07/1,280,452.84
  6. Step 6: Final answer
    x = 976,332.75

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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.