Home / 1,143,841.91-1,578,503.30-634,544.28

Finding the Fourth Proportional to 1,143,841.91, 1,578,503.30 and 634,544.28

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Solution

The fourth proportional to 1,143,841.91, 1,578,503.30 and 634,544.28 is: 875,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,841.91 : 1,578,503.30 = 634,544.28 : x
  2. Step 2: Convert to fraction form
    1,143,841.91/1,578,503.30 = 634,544.28/x
  3. Step 3: Cross multiply
    1,143,841.91x = 1,578,503.30 × 634,544.28
  4. Step 4: Simplify right side
    1,143,841.91x = 1,001,630,236,803.40
  5. Step 5: Solve for x
    x = 1,001,630,236,803.40/1,143,841.91
  6. Step 6: Final answer
    x = 875,671.92

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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.