Home / 1,187,946.80-1,637,780.67-943,741.85

Finding the Fourth Proportional to 1,187,946.80, 1,637,780.67 and 943,741.85

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Solution

The fourth proportional to 1,187,946.80, 1,637,780.67 and 943,741.85 is: 1,301,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,946.80 : 1,637,780.67 = 943,741.85 : x
  2. Step 2: Convert to fraction form
    1,187,946.80/1,637,780.67 = 943,741.85/x
  3. Step 3: Cross multiply
    1,187,946.80x = 1,637,780.67 × 943,741.85
  4. Step 4: Simplify right side
    1,187,946.80x = 1,545,642,159,400.04
  5. Step 5: Solve for x
    x = 1,545,642,159,400.04/1,187,946.80
  6. Step 6: Final answer
    x = 1,301,103.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.