Home / 1,143,573.12-1,578,106.80-634,264.56

Finding the Fourth Proportional to 1,143,573.12, 1,578,106.80 and 634,264.56

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Solution

The fourth proportional to 1,143,573.12, 1,578,106.80 and 634,264.56 is: 875,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,573.12 : 1,578,106.80 = 634,264.56 : x
  2. Step 2: Convert to fraction form
    1,143,573.12/1,578,106.80 = 634,264.56/x
  3. Step 3: Cross multiply
    1,143,573.12x = 1,578,106.80 × 634,264.56
  4. Step 4: Simplify right side
    1,143,573.12x = 1,000,937,215,135.01
  5. Step 5: Solve for x
    x = 1,000,937,215,135.01/1,143,573.12
  6. Step 6: Final answer
    x = 875,271.72

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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.