Home / 1,371,427.37-2,057,276.25-472,750.80

Finding the Fourth Proportional to 1,371,427.37, 2,057,276.25 and 472,750.80

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Solution

The fourth proportional to 1,371,427.37, 2,057,276.25 and 472,750.80 is: 709,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,427.37 : 2,057,276.25 = 472,750.80 : x
  2. Step 2: Convert to fraction form
    1,371,427.37/2,057,276.25 = 472,750.80/x
  3. Step 3: Cross multiply
    1,371,427.37x = 2,057,276.25 × 472,750.80
  4. Step 4: Simplify right side
    1,371,427.37x = 972,578,993,008.50
  5. Step 5: Solve for x
    x = 972,578,993,008.50/1,371,427.37
  6. Step 6: Final answer
    x = 709,172.81

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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.