Home / 917,161.83-1,369,566.54-749,015.73

Finding the Fourth Proportional to 917,161.83, 1,369,566.54 and 749,015.73

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Solution

The fourth proportional to 917,161.83, 1,369,566.54 and 749,015.73 is: 1,118,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,161.83 : 1,369,566.54 = 749,015.73 : x
  2. Step 2: Convert to fraction form
    917,161.83/1,369,566.54 = 749,015.73/x
  3. Step 3: Cross multiply
    917,161.83x = 1,369,566.54 × 749,015.73
  4. Step 4: Simplify right side
    917,161.83x = 1,025,826,881,741.67
  5. Step 5: Solve for x
    x = 1,025,826,881,741.67/917,161.83
  6. Step 6: Final answer
    x = 1,118,479.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.