Home / 1,188,153.84-1,779,649.14-731,352.72

Finding the Fourth Proportional to 1,188,153.84, 1,779,649.14 and 731,352.72

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Solution

The fourth proportional to 1,188,153.84, 1,779,649.14 and 731,352.72 is: 1,095,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,153.84 : 1,779,649.14 = 731,352.72 : x
  2. Step 2: Convert to fraction form
    1,188,153.84/1,779,649.14 = 731,352.72/x
  3. Step 3: Cross multiply
    1,188,153.84x = 1,779,649.14 × 731,352.72
  4. Step 4: Simplify right side
    1,188,153.84x = 1,301,551,239,184.66
  5. Step 5: Solve for x
    x = 1,301,551,239,184.66/1,188,153.84
  6. Step 6: Final answer
    x = 1,095,440.00

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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.