Home / 1,370,316.32-1,890,988.26-758,470.28

Finding the Fourth Proportional to 1,370,316.32, 1,890,988.26 and 758,470.28

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Solution

The fourth proportional to 1,370,316.32, 1,890,988.26 and 758,470.28 is: 1,046,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,316.32 : 1,890,988.26 = 758,470.28 : x
  2. Step 2: Convert to fraction form
    1,370,316.32/1,890,988.26 = 758,470.28/x
  3. Step 3: Cross multiply
    1,370,316.32x = 1,890,988.26 × 758,470.28
  4. Step 4: Simplify right side
    1,370,316.32x = 1,434,258,395,038.91
  5. Step 5: Solve for x
    x = 1,434,258,395,038.91/1,370,316.32
  6. Step 6: Final answer
    x = 1,046,662.27

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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.