Home / 1,154,347.61-1,731,521.41-312,899.36

Finding the Fourth Proportional to 1,154,347.61, 1,731,521.41 and 312,899.36

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Solution

The fourth proportional to 1,154,347.61, 1,731,521.41 and 312,899.36 is: 469,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,347.61 : 1,731,521.41 = 312,899.36 : x
  2. Step 2: Convert to fraction form
    1,154,347.61/1,731,521.41 = 312,899.36/x
  3. Step 3: Cross multiply
    1,154,347.61x = 1,731,521.41 × 312,899.36
  4. Step 4: Simplify right side
    1,154,347.61x = 541,791,931,575.44
  5. Step 5: Solve for x
    x = 541,791,931,575.44/1,154,347.61
  6. Step 6: Final answer
    x = 469,349.03

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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.