Home / 1,555,987.52-2,333,981.22-418,752.23

Finding the Fourth Proportional to 1,555,987.52, 2,333,981.22 and 418,752.23

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Solution

The fourth proportional to 1,555,987.52, 2,333,981.22 and 418,752.23 is: 628,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,987.52 : 2,333,981.22 = 418,752.23 : x
  2. Step 2: Convert to fraction form
    1,555,987.52/2,333,981.22 = 418,752.23/x
  3. Step 3: Cross multiply
    1,555,987.52x = 2,333,981.22 × 418,752.23
  4. Step 4: Simplify right side
    1,555,987.52x = 977,359,828,983.22
  5. Step 5: Solve for x
    x = 977,359,828,983.22/1,555,987.52
  6. Step 6: Final answer
    x = 628,128.32

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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.