Home / 1,200,477.30-1,656,880.29-771,293.94

Finding the Fourth Proportional to 1,200,477.30, 1,656,880.29 and 771,293.94

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Solution

The fourth proportional to 1,200,477.30, 1,656,880.29 and 771,293.94 is: 1,064,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,477.30 : 1,656,880.29 = 771,293.94 : x
  2. Step 2: Convert to fraction form
    1,200,477.30/1,656,880.29 = 771,293.94/x
  3. Step 3: Cross multiply
    1,200,477.30x = 1,656,880.29 × 771,293.94
  4. Step 4: Simplify right side
    1,200,477.30x = 1,277,941,726,982.44
  5. Step 5: Solve for x
    x = 1,277,941,726,982.44/1,200,477.30
  6. Step 6: Final answer
    x = 1,064,528.02

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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.