Home / 1,055,000.12-1,455,898.10-571,577.34

Finding the Fourth Proportional to 1,055,000.12, 1,455,898.10 and 571,577.34

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Solution

The fourth proportional to 1,055,000.12, 1,455,898.10 and 571,577.34 is: 788,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,000.12 : 1,455,898.10 = 571,577.34 : x
  2. Step 2: Convert to fraction form
    1,055,000.12/1,455,898.10 = 571,577.34/x
  3. Step 3: Cross multiply
    1,055,000.12x = 1,455,898.10 × 571,577.34
  4. Step 4: Simplify right side
    1,055,000.12x = 832,158,363,309.05
  5. Step 5: Solve for x
    x = 832,158,363,309.05/1,055,000.12
  6. Step 6: Final answer
    x = 788,775.61

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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.