Home / 1,418,178-2,127,285.52-471,548.72

Finding the Fourth Proportional to 1,418,178, 2,127,285.52 and 471,548.72

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Solution

The fourth proportional to 1,418,178, 2,127,285.52 and 471,548.72 is: 707,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,178 : 2,127,285.52 = 471,548.72 : x
  2. Step 2: Convert to fraction form
    1,418,178/2,127,285.52 = 471,548.72/x
  3. Step 3: Cross multiply
    1,418,178x = 2,127,285.52 × 471,548.72
  4. Step 4: Simplify right side
    1,418,178x = 1,003,118,764,030.53
  5. Step 5: Solve for x
    x = 1,003,118,764,030.53/1,418,178
  6. Step 6: Final answer
    x = 707,329.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.