Home / 1,258,020.66-1,736,089.20-714,172.50

Finding the Fourth Proportional to 1,258,020.66, 1,736,089.20 and 714,172.50

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Solution

The fourth proportional to 1,258,020.66, 1,736,089.20 and 714,172.50 is: 985,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,020.66 : 1,736,089.20 = 714,172.50 : x
  2. Step 2: Convert to fraction form
    1,258,020.66/1,736,089.20 = 714,172.50/x
  3. Step 3: Cross multiply
    1,258,020.66x = 1,736,089.20 × 714,172.50
  4. Step 4: Simplify right side
    1,258,020.66x = 1,239,867,164,187
  5. Step 5: Solve for x
    x = 1,239,867,164,187/1,258,020.66
  6. Step 6: Final answer
    x = 985,569.80

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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.