Home / 1,001,166.93-1,501,749.45-402,128.19

Finding the Fourth Proportional to 1,001,166.93, 1,501,749.45 and 402,128.19

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Solution

The fourth proportional to 1,001,166.93, 1,501,749.45 and 402,128.19 is: 603,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,166.93 : 1,501,749.45 = 402,128.19 : x
  2. Step 2: Convert to fraction form
    1,001,166.93/1,501,749.45 = 402,128.19/x
  3. Step 3: Cross multiply
    1,001,166.93x = 1,501,749.45 × 402,128.19
  4. Step 4: Simplify right side
    1,001,166.93x = 603,895,788,162.00
  5. Step 5: Solve for x
    x = 603,895,788,162.00/1,001,166.93
  6. Step 6: Final answer
    x = 603,191.91

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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.