Home / 1,029,849.56-1,421,276.60-571,108.01

Finding the Fourth Proportional to 1,029,849.56, 1,421,276.60 and 571,108.01

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Solution

The fourth proportional to 1,029,849.56, 1,421,276.60 and 571,108.01 is: 788,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,849.56 : 1,421,276.60 = 571,108.01 : x
  2. Step 2: Convert to fraction form
    1,029,849.56/1,421,276.60 = 571,108.01/x
  3. Step 3: Cross multiply
    1,029,849.56x = 1,421,276.60 × 571,108.01
  4. Step 4: Simplify right side
    1,029,849.56x = 811,702,440,723.64
  5. Step 5: Solve for x
    x = 811,702,440,723.64/1,029,849.56
  6. Step 6: Final answer
    x = 788,175.75

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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.