Home / 1,143,641.34-1,578,213.63-634,330.62

Finding the Fourth Proportional to 1,143,641.34, 1,578,213.63 and 634,330.62

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Solution

The fourth proportional to 1,143,641.34, 1,578,213.63 and 634,330.62 is: 875,369.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,641.34 : 1,578,213.63 = 634,330.62 : x
  2. Step 2: Convert to fraction form
    1,143,641.34/1,578,213.63 = 634,330.62/x
  3. Step 3: Cross multiply
    1,143,641.34x = 1,578,213.63 × 634,330.62
  4. Step 4: Simplify right side
    1,143,641.34x = 1,001,109,230,410.35
  5. Step 5: Solve for x
    x = 1,001,109,230,410.35/1,143,641.34
  6. Step 6: Final answer
    x = 875,369.92

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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.