Home / 1,077,299.20-1,614,004.80-515,094.40

Finding the Fourth Proportional to 1,077,299.20, 1,614,004.80 and 515,094.40

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Solution

The fourth proportional to 1,077,299.20, 1,614,004.80 and 515,094.40 is: 771,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,299.20 : 1,614,004.80 = 515,094.40 : x
  2. Step 2: Convert to fraction form
    1,077,299.20/1,614,004.80 = 515,094.40/x
  3. Step 3: Cross multiply
    1,077,299.20x = 1,614,004.80 × 515,094.40
  4. Step 4: Simplify right side
    1,077,299.20x = 831,364,834,053.12
  5. Step 5: Solve for x
    x = 831,364,834,053.12/1,077,299.20
  6. Step 6: Final answer
    x = 771,712.11

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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.