Home / 1,200,002.77-1,656,330.44-684,028.31

Finding the Fourth Proportional to 1,200,002.77, 1,656,330.44 and 684,028.31

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Solution

The fourth proportional to 1,200,002.77, 1,656,330.44 and 684,028.31 is: 944,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,002.77 : 1,656,330.44 = 684,028.31 : x
  2. Step 2: Convert to fraction form
    1,200,002.77/1,656,330.44 = 684,028.31/x
  3. Step 3: Cross multiply
    1,200,002.77x = 1,656,330.44 × 684,028.31
  4. Step 4: Simplify right side
    1,200,002.77x = 1,132,976,911,674.76
  5. Step 5: Solve for x
    x = 1,132,976,911,674.76/1,200,002.77
  6. Step 6: Final answer
    x = 944,145.25

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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.