Home / 1,371,428.37-2,057,277.75-472,751.80

Finding the Fourth Proportional to 1,371,428.37, 2,057,277.75 and 472,751.80

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Solution

The fourth proportional to 1,371,428.37, 2,057,277.75 and 472,751.80 is: 709,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,428.37 : 2,057,277.75 = 472,751.80 : x
  2. Step 2: Convert to fraction form
    1,371,428.37/2,057,277.75 = 472,751.80/x
  3. Step 3: Cross multiply
    1,371,428.37x = 2,057,277.75 × 472,751.80
  4. Step 4: Simplify right side
    1,371,428.37x = 972,581,759,412.45
  5. Step 5: Solve for x
    x = 972,581,759,412.45/1,371,428.37
  6. Step 6: Final answer
    x = 709,174.30

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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.