Home / 1,143,639.46-1,578,211.05-634,328.74

Finding the Fourth Proportional to 1,143,639.46, 1,578,211.05 and 634,328.74

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Solution

The fourth proportional to 1,143,639.46, 1,578,211.05 and 634,328.74 is: 875,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,639.46 : 1,578,211.05 = 634,328.74 : x
  2. Step 2: Convert to fraction form
    1,143,639.46/1,578,211.05 = 634,328.74/x
  3. Step 3: Cross multiply
    1,143,639.46x = 1,578,211.05 × 634,328.74
  4. Step 4: Simplify right side
    1,143,639.46x = 1,001,104,626,800.58
  5. Step 5: Solve for x
    x = 1,001,104,626,800.58/1,143,639.46
  6. Step 6: Final answer
    x = 875,367.34

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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.