Home / 1,521,271.08-2,278,590.60-761,787.96

Finding the Fourth Proportional to 1,521,271.08, 2,278,590.60 and 761,787.96

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Solution

The fourth proportional to 1,521,271.08, 2,278,590.60 and 761,787.96 is: 1,141,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,271.08 : 2,278,590.60 = 761,787.96 : x
  2. Step 2: Convert to fraction form
    1,521,271.08/2,278,590.60 = 761,787.96/x
  3. Step 3: Cross multiply
    1,521,271.08x = 2,278,590.60 × 761,787.96
  4. Step 4: Simplify right side
    1,521,271.08x = 1,735,802,884,849.18
  5. Step 5: Solve for x
    x = 1,735,802,884,849.18/1,521,271.08
  6. Step 6: Final answer
    x = 1,141,021.42

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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.