Home / 1,433,877.64-1,977,645.90-890,335.24

Finding the Fourth Proportional to 1,433,877.64, 1,977,645.90 and 890,335.24

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Solution

The fourth proportional to 1,433,877.64, 1,977,645.90 and 890,335.24 is: 1,227,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,877.64 : 1,977,645.90 = 890,335.24 : x
  2. Step 2: Convert to fraction form
    1,433,877.64/1,977,645.90 = 890,335.24/x
  3. Step 3: Cross multiply
    1,433,877.64x = 1,977,645.90 × 890,335.24
  4. Step 4: Simplify right side
    1,433,877.64x = 1,760,767,837,011.52
  5. Step 5: Solve for x
    x = 1,760,767,837,011.52/1,433,877.64
  6. Step 6: Final answer
    x = 1,227,976.35

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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.