Home / 999,051.33-1,378,688.05-540,162.69

Finding the Fourth Proportional to 999,051.33, 1,378,688.05 and 540,162.69

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Solution

The fourth proportional to 999,051.33, 1,378,688.05 and 540,162.69 is: 745,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,051.33 : 1,378,688.05 = 540,162.69 : x
  2. Step 2: Convert to fraction form
    999,051.33/1,378,688.05 = 540,162.69/x
  3. Step 3: Cross multiply
    999,051.33x = 1,378,688.05 × 540,162.69
  4. Step 4: Simplify right side
    999,051.33x = 744,715,840,544.13
  5. Step 5: Solve for x
    x = 744,715,840,544.13/999,051.33
  6. Step 6: Final answer
    x = 745,423.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.