Home / 1,258,089.75-1,736,327.88-748,792.13

Finding the Fourth Proportional to 1,258,089.75, 1,736,327.88 and 748,792.13

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Solution

The fourth proportional to 1,258,089.75, 1,736,327.88 and 748,792.13 is: 1,033,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,089.75 : 1,736,327.88 = 748,792.13 : x
  2. Step 2: Convert to fraction form
    1,258,089.75/1,736,327.88 = 748,792.13/x
  3. Step 3: Cross multiply
    1,258,089.75x = 1,736,327.88 × 748,792.13
  4. Step 4: Simplify right side
    1,258,089.75x = 1,300,148,642,961.94
  5. Step 5: Solve for x
    x = 1,300,148,642,961.94/1,258,089.75
  6. Step 6: Final answer
    x = 1,033,430.76

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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.