Home / 1,001,155.12-1,501,731.76-402,116.38

Finding the Fourth Proportional to 1,001,155.12, 1,501,731.76 and 402,116.38

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Solution

The fourth proportional to 1,001,155.12, 1,501,731.76 and 402,116.38 is: 603,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,155.12 : 1,501,731.76 = 402,116.38 : x
  2. Step 2: Convert to fraction form
    1,001,155.12/1,501,731.76 = 402,116.38/x
  3. Step 3: Cross multiply
    1,001,155.12x = 1,501,731.76 × 402,116.38
  4. Step 4: Simplify right side
    1,001,155.12x = 603,870,939,062.23
  5. Step 5: Solve for x
    x = 603,870,939,062.23/1,001,155.12
  6. Step 6: Final answer
    x = 603,174.20

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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.