Home / 1,077,307.20-1,614,016.80-515,102.40

Finding the Fourth Proportional to 1,077,307.20, 1,614,016.80 and 515,102.40

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Solution

The fourth proportional to 1,077,307.20, 1,614,016.80 and 515,102.40 is: 771,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,307.20 : 1,614,016.80 = 515,102.40 : x
  2. Step 2: Convert to fraction form
    1,077,307.20/1,614,016.80 = 515,102.40/x
  3. Step 3: Cross multiply
    1,077,307.20x = 1,614,016.80 × 515,102.40
  4. Step 4: Simplify right side
    1,077,307.20x = 831,383,927,320.32
  5. Step 5: Solve for x
    x = 831,383,927,320.32/1,077,307.20
  6. Step 6: Final answer
    x = 771,724.10

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1.5x scale

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.