Home / 1,376,882.40-2,064,039.57-465,430.74

Finding the Fourth Proportional to 1,376,882.40, 2,064,039.57 and 465,430.74

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Solution

The fourth proportional to 1,376,882.40, 2,064,039.57 and 465,430.74 is: 697,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,882.40 : 2,064,039.57 = 465,430.74 : x
  2. Step 2: Convert to fraction form
    1,376,882.40/2,064,039.57 = 465,430.74/x
  3. Step 3: Cross multiply
    1,376,882.40x = 2,064,039.57 × 465,430.74
  4. Step 4: Simplify right side
    1,376,882.40x = 960,667,464,454.38
  5. Step 5: Solve for x
    x = 960,667,464,454.38/1,376,882.40
  6. Step 6: Final answer
    x = 697,712.07

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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.