Home / 1,029,849.76-1,421,276.88-571,108.23

Finding the Fourth Proportional to 1,029,849.76, 1,421,276.88 and 571,108.23

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Solution

The fourth proportional to 1,029,849.76, 1,421,276.88 and 571,108.23 is: 788,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,849.76 : 1,421,276.88 = 571,108.23 : x
  2. Step 2: Convert to fraction form
    1,029,849.76/1,421,276.88 = 571,108.23/x
  3. Step 3: Cross multiply
    1,029,849.76x = 1,421,276.88 × 571,108.23
  4. Step 4: Simplify right side
    1,029,849.76x = 811,702,917,017.60
  5. Step 5: Solve for x
    x = 811,702,917,017.60/1,029,849.76
  6. Step 6: Final answer
    x = 788,176.05

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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.