Home / 1,402,620.77-1,934,719.12-972,744.05

Finding the Fourth Proportional to 1,402,620.77, 1,934,719.12 and 972,744.05

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Solution

The fourth proportional to 1,402,620.77, 1,934,719.12 and 972,744.05 is: 1,341,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,620.77 : 1,934,719.12 = 972,744.05 : x
  2. Step 2: Convert to fraction form
    1,402,620.77/1,934,719.12 = 972,744.05/x
  3. Step 3: Cross multiply
    1,402,620.77x = 1,934,719.12 × 972,744.05
  4. Step 4: Simplify right side
    1,402,620.77x = 1,881,986,518,453.96
  5. Step 5: Solve for x
    x = 1,881,986,518,453.96/1,402,620.77
  6. Step 6: Final answer
    x = 1,341,764.33

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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.