Home / 1,143,510.03-1,578,003.80-634,259.79

Finding the Fourth Proportional to 1,143,510.03, 1,578,003.80 and 634,259.79

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Solution

The fourth proportional to 1,143,510.03, 1,578,003.80 and 634,259.79 is: 875,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,510.03 : 1,578,003.80 = 634,259.79 : x
  2. Step 2: Convert to fraction form
    1,143,510.03/1,578,003.80 = 634,259.79/x
  3. Step 3: Cross multiply
    1,143,510.03x = 1,578,003.80 × 634,259.79
  4. Step 4: Simplify right side
    1,143,510.03x = 1,000,864,355,635.90
  5. Step 5: Solve for x
    x = 1,000,864,355,635.90/1,143,510.03
  6. Step 6: Final answer
    x = 875,256.30

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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.