Home / 1,421,646-2,132,842.48-510,920.44

Finding the Fourth Proportional to 1,421,646, 2,132,842.48 and 510,920.44

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Solution

The fourth proportional to 1,421,646, 2,132,842.48 and 510,920.44 is: 766,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,646 : 2,132,842.48 = 510,920.44 : x
  2. Step 2: Convert to fraction form
    1,421,646/2,132,842.48 = 510,920.44/x
  3. Step 3: Cross multiply
    1,421,646x = 2,132,842.48 × 510,920.44
  4. Step 4: Simplify right side
    1,421,646x = 1,089,712,818,332.29
  5. Step 5: Solve for x
    x = 1,089,712,818,332.29/1,421,646
  6. Step 6: Final answer
    x = 766,514.88

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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.