Home / 1,645,915.46-2,271,366.70-920,775.30

Finding the Fourth Proportional to 1,645,915.46, 2,271,366.70 and 920,775.30

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Solution

The fourth proportional to 1,645,915.46, 2,271,366.70 and 920,775.30 is: 1,270,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,915.46 : 2,271,366.70 = 920,775.30 : x
  2. Step 2: Convert to fraction form
    1,645,915.46/2,271,366.70 = 920,775.30/x
  3. Step 3: Cross multiply
    1,645,915.46x = 2,271,366.70 × 920,775.30
  4. Step 4: Simplify right side
    1,645,915.46x = 2,091,418,354,602.51
  5. Step 5: Solve for x
    x = 2,091,418,354,602.51/1,645,915.46
  6. Step 6: Final answer
    x = 1,270,671.80

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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.