Home / 1,186,030.76-1,779,049.74-287,468.96

Finding the Fourth Proportional to 1,186,030.76, 1,779,049.74 and 287,468.96

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Solution

The fourth proportional to 1,186,030.76, 1,779,049.74 and 287,468.96 is: 431,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,030.76 : 1,779,049.74 = 287,468.96 : x
  2. Step 2: Convert to fraction form
    1,186,030.76/1,779,049.74 = 287,468.96/x
  3. Step 3: Cross multiply
    1,186,030.76x = 1,779,049.74 × 287,468.96
  4. Step 4: Simplify right side
    1,186,030.76x = 511,421,578,546.07
  5. Step 5: Solve for x
    x = 511,421,578,546.07/1,186,030.76
  6. Step 6: Final answer
    x = 431,204.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.