Home / 1,061,985.80-1,590,354.30-705,067.40

Finding the Fourth Proportional to 1,061,985.80, 1,590,354.30 and 705,067.40

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Solution

The fourth proportional to 1,061,985.80, 1,590,354.30 and 705,067.40 is: 1,055,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,985.80 : 1,590,354.30 = 705,067.40 : x
  2. Step 2: Convert to fraction form
    1,061,985.80/1,590,354.30 = 705,067.40/x
  3. Step 3: Cross multiply
    1,061,985.80x = 1,590,354.30 × 705,067.40
  4. Step 4: Simplify right side
    1,061,985.80x = 1,121,306,971,379.82
  5. Step 5: Solve for x
    x = 1,121,306,971,379.82/1,061,985.80
  6. Step 6: Final answer
    x = 1,055,858.72

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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.