Home / 1,412,124.02-2,116,995.51-612,803.42

Finding the Fourth Proportional to 1,412,124.02, 2,116,995.51 and 612,803.42

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Solution

The fourth proportional to 1,412,124.02, 2,116,995.51 and 612,803.42 is: 918,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,124.02 : 2,116,995.51 = 612,803.42 : x
  2. Step 2: Convert to fraction form
    1,412,124.02/2,116,995.51 = 612,803.42/x
  3. Step 3: Cross multiply
    1,412,124.02x = 2,116,995.51 × 612,803.42
  4. Step 4: Simplify right side
    1,412,124.02x = 1,297,302,088,652.64
  5. Step 5: Solve for x
    x = 1,297,302,088,652.64/1,412,124.02
  6. Step 6: Final answer
    x = 918,688.49

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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.