Home / 1,221,457.08-1,832,158.08-422,690.52

Finding the Fourth Proportional to 1,221,457.08, 1,832,158.08 and 422,690.52

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Solution

The fourth proportional to 1,221,457.08, 1,832,158.08 and 422,690.52 is: 634,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,457.08 : 1,832,158.08 = 422,690.52 : x
  2. Step 2: Convert to fraction form
    1,221,457.08/1,832,158.08 = 422,690.52/x
  3. Step 3: Cross multiply
    1,221,457.08x = 1,832,158.08 × 422,690.52
  4. Step 4: Simplify right side
    1,221,457.08x = 774,435,851,557.40
  5. Step 5: Solve for x
    x = 774,435,851,557.40/1,221,457.08
  6. Step 6: Final answer
    x = 634,026.25

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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.