Home / 1,299,074.36-1,792,760.38-710,408.40

Finding the Fourth Proportional to 1,299,074.36, 1,792,760.38 and 710,408.40

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Solution

The fourth proportional to 1,299,074.36, 1,792,760.38 and 710,408.40 is: 980,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,074.36 : 1,792,760.38 = 710,408.40 : x
  2. Step 2: Convert to fraction form
    1,299,074.36/1,792,760.38 = 710,408.40/x
  3. Step 3: Cross multiply
    1,299,074.36x = 1,792,760.38 × 710,408.40
  4. Step 4: Simplify right side
    1,299,074.36x = 1,273,592,033,139.19
  5. Step 5: Solve for x
    x = 1,273,592,033,139.19/1,299,074.36
  6. Step 6: Final answer
    x = 980,384.24

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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.