Home / 1,170,075.80-1,755,113.70-990,714.47

Finding the Fourth Proportional to 1,170,075.80, 1,755,113.70 and 990,714.47

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Solution

The fourth proportional to 1,170,075.80, 1,755,113.70 and 990,714.47 is: 1,486,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,075.80 : 1,755,113.70 = 990,714.47 : x
  2. Step 2: Convert to fraction form
    1,170,075.80/1,755,113.70 = 990,714.47/x
  3. Step 3: Cross multiply
    1,170,075.80x = 1,755,113.70 × 990,714.47
  4. Step 4: Simplify right side
    1,170,075.80x = 1,738,816,539,085.24
  5. Step 5: Solve for x
    x = 1,738,816,539,085.24/1,170,075.80
  6. Step 6: Final answer
    x = 1,486,071.71

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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.