Home / 1,429,252.86-1,972,372.38-784,714.59

Finding the Fourth Proportional to 1,429,252.86, 1,972,372.38 and 784,714.59

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Solution

The fourth proportional to 1,429,252.86, 1,972,372.38 and 784,714.59 is: 1,082,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,252.86 : 1,972,372.38 = 784,714.59 : x
  2. Step 2: Convert to fraction form
    1,429,252.86/1,972,372.38 = 784,714.59/x
  3. Step 3: Cross multiply
    1,429,252.86x = 1,972,372.38 × 784,714.59
  4. Step 4: Simplify right side
    1,429,252.86x = 1,547,749,383,499.02
  5. Step 5: Solve for x
    x = 1,547,749,383,499.02/1,429,252.86
  6. Step 6: Final answer
    x = 1,082,908.02

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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.