Home / 1,371,424.37-2,057,271.75-472,747.79

Finding the Fourth Proportional to 1,371,424.37, 2,057,271.75 and 472,747.79

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Solution

The fourth proportional to 1,371,424.37, 2,057,271.75 and 472,747.79 is: 709,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,424.37 : 2,057,271.75 = 472,747.79 : x
  2. Step 2: Convert to fraction form
    1,371,424.37/2,057,271.75 = 472,747.79/x
  3. Step 3: Cross multiply
    1,371,424.37x = 2,057,271.75 × 472,747.79
  4. Step 4: Simplify right side
    1,371,424.37x = 972,570,678,385.11
  5. Step 5: Solve for x
    x = 972,570,678,385.11/1,371,424.37
  6. Step 6: Final answer
    x = 709,168.29

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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.