Home / 1,185,567.03-1,778,355.09-287,007.30

Finding the Fourth Proportional to 1,185,567.03, 1,778,355.09 and 287,007.30

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Solution

The fourth proportional to 1,185,567.03, 1,778,355.09 and 287,007.30 is: 430,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,567.03 : 1,778,355.09 = 287,007.30 : x
  2. Step 2: Convert to fraction form
    1,185,567.03/1,778,355.09 = 287,007.30/x
  3. Step 3: Cross multiply
    1,185,567.03x = 1,778,355.09 × 287,007.30
  4. Step 4: Simplify right side
    1,185,567.03x = 510,400,892,822.16
  5. Step 5: Solve for x
    x = 510,400,892,822.16/1,185,567.03
  6. Step 6: Final answer
    x = 430,512.05

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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.