Home / 1,055,051.30-1,455,968.84-571,628.72

Finding the Fourth Proportional to 1,055,051.30, 1,455,968.84 and 571,628.72

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Solution

The fourth proportional to 1,055,051.30, 1,455,968.84 and 571,628.72 is: 788,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,051.30 : 1,455,968.84 = 571,628.72 : x
  2. Step 2: Convert to fraction form
    1,055,051.30/1,455,968.84 = 571,628.72/x
  3. Step 3: Cross multiply
    1,055,051.30x = 1,455,968.84 × 571,628.72
  4. Step 4: Simplify right side
    1,055,051.30x = 832,273,604,369.09
  5. Step 5: Solve for x
    x = 832,273,604,369.09/1,055,051.30
  6. Step 6: Final answer
    x = 788,846.57

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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.