Home / 1,335,870.77-1,999,076.06-830,669.66

Finding the Fourth Proportional to 1,335,870.77, 1,999,076.06 and 830,669.66

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Solution

The fourth proportional to 1,335,870.77, 1,999,076.06 and 830,669.66 is: 1,243,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,870.77 : 1,999,076.06 = 830,669.66 : x
  2. Step 2: Convert to fraction form
    1,335,870.77/1,999,076.06 = 830,669.66/x
  3. Step 3: Cross multiply
    1,335,870.77x = 1,999,076.06 × 830,669.66
  4. Step 4: Simplify right side
    1,335,870.77x = 1,660,571,823,155.63
  5. Step 5: Solve for x
    x = 1,660,571,823,155.63/1,335,870.77
  6. Step 6: Final answer
    x = 1,243,063.22

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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.