Home / 1,618,061.17-2,428,175.26-671,432.80

Finding the Fourth Proportional to 1,618,061.17, 2,428,175.26 and 671,432.80

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Solution

The fourth proportional to 1,618,061.17, 2,428,175.26 and 671,432.80 is: 1,007,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,061.17 : 2,428,175.26 = 671,432.80 : x
  2. Step 2: Convert to fraction form
    1,618,061.17/2,428,175.26 = 671,432.80/x
  3. Step 3: Cross multiply
    1,618,061.17x = 2,428,175.26 × 671,432.80
  4. Step 4: Simplify right side
    1,618,061.17x = 1,630,356,501,571.65
  5. Step 5: Solve for x
    x = 1,630,356,501,571.65/1,618,061.17
  6. Step 6: Final answer
    x = 1,007,598.81

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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.