Home / 1,054,520.40-1,455,220.16-571,081.62

Finding the Fourth Proportional to 1,054,520.40, 1,455,220.16 and 571,081.62

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Solution

The fourth proportional to 1,054,520.40, 1,455,220.16 and 571,081.62 is: 788,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,520.40 : 1,455,220.16 = 571,081.62 : x
  2. Step 2: Convert to fraction form
    1,054,520.40/1,455,220.16 = 571,081.62/x
  3. Step 3: Cross multiply
    1,054,520.40x = 1,455,220.16 × 571,081.62
  4. Step 4: Simplify right side
    1,054,520.40x = 831,049,486,429.46
  5. Step 5: Solve for x
    x = 831,049,486,429.46/1,054,520.40
  6. Step 6: Final answer
    x = 788,082.89

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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.