Home / 1,210,630.77-1,670,604.94-666,660.24

Finding the Fourth Proportional to 1,210,630.77, 1,670,604.94 and 666,660.24

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Solution

The fourth proportional to 1,210,630.77, 1,670,604.94 and 666,660.24 is: 919,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,630.77 : 1,670,604.94 = 666,660.24 : x
  2. Step 2: Convert to fraction form
    1,210,630.77/1,670,604.94 = 666,660.24/x
  3. Step 3: Cross multiply
    1,210,630.77x = 1,670,604.94 × 666,660.24
  4. Step 4: Simplify right side
    1,210,630.77x = 1,113,725,878,559.26
  5. Step 5: Solve for x
    x = 1,113,725,878,559.26/1,210,630.77
  6. Step 6: Final answer
    x = 919,955.04

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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.