Home / 1,715,220-2,572,940.16-453,015.36

Finding the Fourth Proportional to 1,715,220, 2,572,940.16 and 453,015.36

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Solution

The fourth proportional to 1,715,220, 2,572,940.16 and 453,015.36 is: 679,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,220 : 2,572,940.16 = 453,015.36 : x
  2. Step 2: Convert to fraction form
    1,715,220/2,572,940.16 = 453,015.36/x
  3. Step 3: Cross multiply
    1,715,220x = 2,572,940.16 × 453,015.36
  4. Step 4: Simplify right side
    1,715,220x = 1,165,581,412,840.86
  5. Step 5: Solve for x
    x = 1,165,581,412,840.86/1,715,220
  6. Step 6: Final answer
    x = 679,552.13

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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.