Home / 1,054,553.32-1,455,276.90-571,110.76

Finding the Fourth Proportional to 1,054,553.32, 1,455,276.90 and 571,110.76

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Solution

The fourth proportional to 1,054,553.32, 1,455,276.90 and 571,110.76 is: 788,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,553.32 : 1,455,276.90 = 571,110.76 : x
  2. Step 2: Convert to fraction form
    1,054,553.32/1,455,276.90 = 571,110.76/x
  3. Step 3: Cross multiply
    1,054,553.32x = 1,455,276.90 × 571,110.76
  4. Step 4: Simplify right side
    1,054,553.32x = 831,124,296,369.44
  5. Step 5: Solve for x
    x = 831,124,296,369.44/1,054,553.32
  6. Step 6: Final answer
    x = 788,129.23

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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.