Home / 1,221,984.77-1,832,977.02-380,602.13

Finding the Fourth Proportional to 1,221,984.77, 1,832,977.02 and 380,602.13

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Solution

The fourth proportional to 1,221,984.77, 1,832,977.02 and 380,602.13 is: 570,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,984.77 : 1,832,977.02 = 380,602.13 : x
  2. Step 2: Convert to fraction form
    1,221,984.77/1,832,977.02 = 380,602.13/x
  3. Step 3: Cross multiply
    1,221,984.77x = 1,832,977.02 × 380,602.13
  4. Step 4: Simplify right side
    1,221,984.77x = 697,634,958,053.05
  5. Step 5: Solve for x
    x = 697,634,958,053.05/1,221,984.77
  6. Step 6: Final answer
    x = 570,903.15

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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.