Home / 1,258,210.96-1,736,374.59-714,328.66

Finding the Fourth Proportional to 1,258,210.96, 1,736,374.59 and 714,328.66

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Solution

The fourth proportional to 1,258,210.96, 1,736,374.59 and 714,328.66 is: 985,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,210.96 : 1,736,374.59 = 714,328.66 : x
  2. Step 2: Convert to fraction form
    1,258,210.96/1,736,374.59 = 714,328.66/x
  3. Step 3: Cross multiply
    1,258,210.96x = 1,736,374.59 × 714,328.66
  4. Step 4: Simplify right side
    1,258,210.96x = 1,240,342,134,132.75
  5. Step 5: Solve for x
    x = 1,240,342,134,132.75/1,258,210.96
  6. Step 6: Final answer
    x = 985,798.23

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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.