Home / 1,143,656.46-1,578,234.51-634,345.74

Finding the Fourth Proportional to 1,143,656.46, 1,578,234.51 and 634,345.74

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Solution

The fourth proportional to 1,143,656.46, 1,578,234.51 and 634,345.74 is: 875,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,656.46 : 1,578,234.51 = 634,345.74 : x
  2. Step 2: Convert to fraction form
    1,143,656.46/1,578,234.51 = 634,345.74/x
  3. Step 3: Cross multiply
    1,143,656.46x = 1,578,234.51 × 634,345.74
  4. Step 4: Simplify right side
    1,143,656.46x = 1,001,146,338,139.49
  5. Step 5: Solve for x
    x = 1,001,146,338,139.49/1,143,656.46
  6. Step 6: Final answer
    x = 875,390.80

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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.