Home / 1,265,718.75-1,746,624.83-692,648.20

Finding the Fourth Proportional to 1,265,718.75, 1,746,624.83 and 692,648.20

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Solution

The fourth proportional to 1,265,718.75, 1,746,624.83 and 692,648.20 is: 955,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,718.75 : 1,746,624.83 = 692,648.20 : x
  2. Step 2: Convert to fraction form
    1,265,718.75/1,746,624.83 = 692,648.20/x
  3. Step 3: Cross multiply
    1,265,718.75x = 1,746,624.83 × 692,648.20
  4. Step 4: Simplify right side
    1,265,718.75x = 1,209,796,544,574.81
  5. Step 5: Solve for x
    x = 1,209,796,544,574.81/1,265,718.75
  6. Step 6: Final answer
    x = 955,817.83

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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.