Home / 1,371,448.81-2,057,308.55-472,772.21

Finding the Fourth Proportional to 1,371,448.81, 2,057,308.55 and 472,772.21

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Solution

The fourth proportional to 1,371,448.81, 2,057,308.55 and 472,772.21 is: 709,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,448.81 : 2,057,308.55 = 472,772.21 : x
  2. Step 2: Convert to fraction form
    1,371,448.81/2,057,308.55 = 472,772.21/x
  3. Step 3: Cross multiply
    1,371,448.81x = 2,057,308.55 × 472,772.21
  4. Step 4: Simplify right side
    1,371,448.81x = 972,638,307,471.53
  5. Step 5: Solve for x
    x = 972,638,307,471.53/1,371,448.81
  6. Step 6: Final answer
    x = 709,204.97

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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.