Home / 1,679,548.51-2,518,907.52-719,895.28

Finding the Fourth Proportional to 1,679,548.51, 2,518,907.52 and 719,895.28

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Solution

The fourth proportional to 1,679,548.51, 2,518,907.52 and 719,895.28 is: 1,079,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,548.51 : 2,518,907.52 = 719,895.28 : x
  2. Step 2: Convert to fraction form
    1,679,548.51/2,518,907.52 = 719,895.28/x
  3. Step 3: Cross multiply
    1,679,548.51x = 2,518,907.52 × 719,895.28
  4. Step 4: Simplify right side
    1,679,548.51x = 1,813,349,634,404.51
  5. Step 5: Solve for x
    x = 1,813,349,634,404.51/1,679,548.51
  6. Step 6: Final answer
    x = 1,079,664.94

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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.