Home / 1,080,482.91-1,620,787.80-406,570.05

Finding the Fourth Proportional to 1,080,482.91, 1,620,787.80 and 406,570.05

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Solution

The fourth proportional to 1,080,482.91, 1,620,787.80 and 406,570.05 is: 609,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,482.91 : 1,620,787.80 = 406,570.05 : x
  2. Step 2: Convert to fraction form
    1,080,482.91/1,620,787.80 = 406,570.05/x
  3. Step 3: Cross multiply
    1,080,482.91x = 1,620,787.80 × 406,570.05
  4. Step 4: Simplify right side
    1,080,482.91x = 658,963,776,885.39
  5. Step 5: Solve for x
    x = 658,963,776,885.39/1,080,482.91
  6. Step 6: Final answer
    x = 609,878.94

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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.