Home / 1,185,567.72-1,778,356.08-287,007.96

Finding the Fourth Proportional to 1,185,567.72, 1,778,356.08 and 287,007.96

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Solution

The fourth proportional to 1,185,567.72, 1,778,356.08 and 287,007.96 is: 430,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,567.72 : 1,778,356.08 = 287,007.96 : x
  2. Step 2: Convert to fraction form
    1,185,567.72/1,778,356.08 = 287,007.96/x
  3. Step 3: Cross multiply
    1,185,567.72x = 1,778,356.08 × 287,007.96
  4. Step 4: Simplify right side
    1,185,567.72x = 510,402,350,674.40
  5. Step 5: Solve for x
    x = 510,402,350,674.40/1,185,567.72
  6. Step 6: Final answer
    x = 430,513.03

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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.