Home / 1,645,913.64-2,271,364.19-920,773.49

Finding the Fourth Proportional to 1,645,913.64, 2,271,364.19 and 920,773.49

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Solution

The fourth proportional to 1,645,913.64, 2,271,364.19 and 920,773.49 is: 1,270,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,913.64 : 2,271,364.19 = 920,773.49 : x
  2. Step 2: Convert to fraction form
    1,645,913.64/2,271,364.19 = 920,773.49/x
  3. Step 3: Cross multiply
    1,645,913.64x = 2,271,364.19 × 920,773.49
  4. Step 4: Simplify right side
    1,645,913.64x = 2,091,411,916,326.63
  5. Step 5: Solve for x
    x = 2,091,411,916,326.63/1,645,913.64
  6. Step 6: Final answer
    x = 1,270,669.29

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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.