Home / 1,054,581.12-1,455,319.71-571,144.77

Finding the Fourth Proportional to 1,054,581.12, 1,455,319.71 and 571,144.77

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Solution

The fourth proportional to 1,054,581.12, 1,455,319.71 and 571,144.77 is: 788,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,581.12 : 1,455,319.71 = 571,144.77 : x
  2. Step 2: Convert to fraction form
    1,054,581.12/1,455,319.71 = 571,144.77/x
  3. Step 3: Cross multiply
    1,054,581.12x = 1,455,319.71 × 571,144.77
  4. Step 4: Simplify right side
    1,054,581.12x = 831,198,241,044.42
  5. Step 5: Solve for x
    x = 831,198,241,044.42/1,054,581.12
  6. Step 6: Final answer
    x = 788,178.57

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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.