Home / 1,376,628.24-2,063,588.04-578,136.72

Finding the Fourth Proportional to 1,376,628.24, 2,063,588.04 and 578,136.72

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Solution

The fourth proportional to 1,376,628.24, 2,063,588.04 and 578,136.72 is: 866,636.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,628.24 : 2,063,588.04 = 578,136.72 : x
  2. Step 2: Convert to fraction form
    1,376,628.24/2,063,588.04 = 578,136.72/x
  3. Step 3: Cross multiply
    1,376,628.24x = 2,063,588.04 × 578,136.72
  4. Step 4: Simplify right side
    1,376,628.24x = 1,193,036,020,876.83
  5. Step 5: Solve for x
    x = 1,193,036,020,876.83/1,376,628.24
  6. Step 6: Final answer
    x = 866,636.31

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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.