Home / 1,061,980.80-1,590,346.80-705,062.40

Finding the Fourth Proportional to 1,061,980.80, 1,590,346.80 and 705,062.40

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Solution

The fourth proportional to 1,061,980.80, 1,590,346.80 and 705,062.40 is: 1,055,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,980.80 : 1,590,346.80 = 705,062.40 : x
  2. Step 2: Convert to fraction form
    1,061,980.80/1,590,346.80 = 705,062.40/x
  3. Step 3: Cross multiply
    1,061,980.80x = 1,590,346.80 × 705,062.40
  4. Step 4: Simplify right side
    1,061,980.80x = 1,121,293,731,640.32
  5. Step 5: Solve for x
    x = 1,121,293,731,640.32/1,061,980.80
  6. Step 6: Final answer
    x = 1,055,851.23

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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.