Home / 1,102,038.54-1,520,422.02-720,285.54

Finding the Fourth Proportional to 1,102,038.54, 1,520,422.02 and 720,285.54

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Solution

The fourth proportional to 1,102,038.54, 1,520,422.02 and 720,285.54 is: 993,738.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,038.54 : 1,520,422.02 = 720,285.54 : x
  2. Step 2: Convert to fraction form
    1,102,038.54/1,520,422.02 = 720,285.54/x
  3. Step 3: Cross multiply
    1,102,038.54x = 1,520,422.02 × 720,285.54
  4. Step 4: Simplify right side
    1,102,038.54x = 1,095,137,995,703.59
  5. Step 5: Solve for x
    x = 1,095,137,995,703.59/1,102,038.54
  6. Step 6: Final answer
    x = 993,738.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.