Home / 1,029,820.03-1,421,235.83-571,078.49

Finding the Fourth Proportional to 1,029,820.03, 1,421,235.83 and 571,078.49

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Solution

The fourth proportional to 1,029,820.03, 1,421,235.83 and 571,078.49 is: 788,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,820.03 : 1,421,235.83 = 571,078.49 : x
  2. Step 2: Convert to fraction form
    1,029,820.03/1,421,235.83 = 571,078.49/x
  3. Step 3: Cross multiply
    1,029,820.03x = 1,421,235.83 × 571,078.49
  4. Step 4: Simplify right side
    1,029,820.03x = 811,637,211,730.30
  5. Step 5: Solve for x
    x = 811,637,211,730.30/1,029,820.03
  6. Step 6: Final answer
    x = 788,135.00

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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.