Home / 1,539,821-2,124,966.74-851,539.16

Finding the Fourth Proportional to 1,539,821, 2,124,966.74 and 851,539.16

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Solution

The fourth proportional to 1,539,821, 2,124,966.74 and 851,539.16 is: 1,175,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,821 : 2,124,966.74 = 851,539.16 : x
  2. Step 2: Convert to fraction form
    1,539,821/2,124,966.74 = 851,539.16/x
  3. Step 3: Cross multiply
    1,539,821x = 2,124,966.74 × 851,539.16
  4. Step 4: Simplify right side
    1,539,821x = 1,809,492,392,807.54
  5. Step 5: Solve for x
    x = 1,809,492,392,807.54/1,539,821
  6. Step 6: Final answer
    x = 1,175,131.65

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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.