Home / 1,553,417.39-2,143,682.49-855,717.72

Finding the Fourth Proportional to 1,553,417.39, 2,143,682.49 and 855,717.72

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Solution

The fourth proportional to 1,553,417.39, 2,143,682.49 and 855,717.72 is: 1,180,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,417.39 : 2,143,682.49 = 855,717.72 : x
  2. Step 2: Convert to fraction form
    1,553,417.39/2,143,682.49 = 855,717.72/x
  3. Step 3: Cross multiply
    1,553,417.39x = 2,143,682.49 × 855,717.72
  4. Step 4: Simplify right side
    1,553,417.39x = 1,834,387,092,746.72
  5. Step 5: Solve for x
    x = 1,834,387,092,746.72/1,553,417.39
  6. Step 6: Final answer
    x = 1,180,872.00

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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.