Home / 1,061,986.80-1,590,355.80-705,068.40

Finding the Fourth Proportional to 1,061,986.80, 1,590,355.80 and 705,068.40

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Solution

The fourth proportional to 1,061,986.80, 1,590,355.80 and 705,068.40 is: 1,055,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,986.80 : 1,590,355.80 = 705,068.40 : x
  2. Step 2: Convert to fraction form
    1,061,986.80/1,590,355.80 = 705,068.40/x
  3. Step 3: Cross multiply
    1,061,986.80x = 1,590,355.80 × 705,068.40
  4. Step 4: Simplify right side
    1,061,986.80x = 1,121,309,619,336.72
  5. Step 5: Solve for x
    x = 1,121,309,619,336.72/1,061,986.80
  6. Step 6: Final answer
    x = 1,055,860.22

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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.