Home / 1,438,051.52-1,984,552.64-793,513.22

Finding the Fourth Proportional to 1,438,051.52, 1,984,552.64 and 793,513.22

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Solution

The fourth proportional to 1,438,051.52, 1,984,552.64 and 793,513.22 is: 1,095,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,051.52 : 1,984,552.64 = 793,513.22 : x
  2. Step 2: Convert to fraction form
    1,438,051.52/1,984,552.64 = 793,513.22/x
  3. Step 3: Cross multiply
    1,438,051.52x = 1,984,552.64 × 793,513.22
  4. Step 4: Simplify right side
    1,438,051.52x = 1,574,768,755,625.90
  5. Step 5: Solve for x
    x = 1,574,768,755,625.90/1,438,051.52
  6. Step 6: Final answer
    x = 1,095,071.17

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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.