Home / 1,521,437.50-2,099,649.36-842,374

Finding the Fourth Proportional to 1,521,437.50, 2,099,649.36 and 842,374

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Solution

The fourth proportional to 1,521,437.50, 2,099,649.36 and 842,374 is: 1,162,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,437.50 : 2,099,649.36 = 842,374 : x
  2. Step 2: Convert to fraction form
    1,521,437.50/2,099,649.36 = 842,374/x
  3. Step 3: Cross multiply
    1,521,437.50x = 2,099,649.36 × 842,374
  4. Step 4: Simplify right side
    1,521,437.50x = 1,768,690,029,980.64
  5. Step 5: Solve for x
    x = 1,768,690,029,980.64/1,521,437.50
  6. Step 6: Final answer
    x = 1,162,512.45

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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.