Home / 1,667,631.47-2,501,420.79-530,377.25

Finding the Fourth Proportional to 1,667,631.47, 2,501,420.79 and 530,377.25

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Solution

The fourth proportional to 1,667,631.47, 2,501,420.79 and 530,377.25 is: 795,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,631.47 : 2,501,420.79 = 530,377.25 : x
  2. Step 2: Convert to fraction form
    1,667,631.47/2,501,420.79 = 530,377.25/x
  3. Step 3: Cross multiply
    1,667,631.47x = 2,501,420.79 × 530,377.25
  4. Step 4: Simplify right side
    1,667,631.47x = 1,326,696,679,693.03
  5. Step 5: Solve for x
    x = 1,326,696,679,693.03/1,667,631.47
  6. Step 6: Final answer
    x = 795,557.47

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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.