Home / 1,370,098.32-1,890,696.78-758,276.70

Finding the Fourth Proportional to 1,370,098.32, 1,890,696.78 and 758,276.70

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Solution

The fourth proportional to 1,370,098.32, 1,890,696.78 and 758,276.70 is: 1,046,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,098.32 : 1,890,696.78 = 758,276.70 : x
  2. Step 2: Convert to fraction form
    1,370,098.32/1,890,696.78 = 758,276.70/x
  3. Step 3: Cross multiply
    1,370,098.32x = 1,890,696.78 × 758,276.70
  4. Step 4: Simplify right side
    1,370,098.32x = 1,433,671,315,039.03
  5. Step 5: Solve for x
    x = 1,433,671,315,039.03/1,370,098.32
  6. Step 6: Final answer
    x = 1,046,400.32

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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.