Home / 1,539,055.58-2,124,107.67-885,668.18

Finding the Fourth Proportional to 1,539,055.58, 2,124,107.67 and 885,668.18

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Solution

The fourth proportional to 1,539,055.58, 2,124,107.67 and 885,668.18 is: 1,222,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,055.58 : 2,124,107.67 = 885,668.18 : x
  2. Step 2: Convert to fraction form
    1,539,055.58/2,124,107.67 = 885,668.18/x
  3. Step 3: Cross multiply
    1,539,055.58x = 2,124,107.67 × 885,668.18
  4. Step 4: Simplify right side
    1,539,055.58x = 1,881,254,568,902.67
  5. Step 5: Solve for x
    x = 1,881,254,568,902.67/1,539,055.58
  6. Step 6: Final answer
    x = 1,222,343.49

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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.