Home / 1,402,621.21-1,934,719.72-972,744.49

Finding the Fourth Proportional to 1,402,621.21, 1,934,719.72 and 972,744.49

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Solution

The fourth proportional to 1,402,621.21, 1,934,719.72 and 972,744.49 is: 1,341,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,621.21 : 1,934,719.72 = 972,744.49 : x
  2. Step 2: Convert to fraction form
    1,402,621.21/1,934,719.72 = 972,744.49/x
  3. Step 3: Cross multiply
    1,402,621.21x = 1,934,719.72 × 972,744.49
  4. Step 4: Simplify right side
    1,402,621.21x = 1,881,987,947,324.34
  5. Step 5: Solve for x
    x = 1,881,987,947,324.34/1,402,621.21
  6. Step 6: Final answer
    x = 1,341,764.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.