Home / 1,054,890.38-1,455,742.50-571,464.74

Finding the Fourth Proportional to 1,054,890.38, 1,455,742.50 and 571,464.74

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Solution

The fourth proportional to 1,054,890.38, 1,455,742.50 and 571,464.74 is: 788,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,890.38 : 1,455,742.50 = 571,464.74 : x
  2. Step 2: Convert to fraction form
    1,054,890.38/1,455,742.50 = 571,464.74/x
  3. Step 3: Cross multiply
    1,054,890.38x = 1,455,742.50 × 571,464.74
  4. Step 4: Simplify right side
    1,054,890.38x = 831,905,509,269.45
  5. Step 5: Solve for x
    x = 831,905,509,269.45/1,054,890.38
  6. Step 6: Final answer
    x = 788,617.97

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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.