Home / 1,078,449.48-1,488,307.77-619,707.96

Finding the Fourth Proportional to 1,078,449.48, 1,488,307.77 and 619,707.96

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Solution

The fourth proportional to 1,078,449.48, 1,488,307.77 and 619,707.96 is: 855,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,449.48 : 1,488,307.77 = 619,707.96 : x
  2. Step 2: Convert to fraction form
    1,078,449.48/1,488,307.77 = 619,707.96/x
  3. Step 3: Cross multiply
    1,078,449.48x = 1,488,307.77 × 619,707.96
  4. Step 4: Simplify right side
    1,078,449.48x = 922,316,171,998.85
  5. Step 5: Solve for x
    x = 922,316,171,998.85/1,078,449.48
  6. Step 6: Final answer
    x = 855,224.27

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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.