Home / 1,298,955.21-1,792,501.80-710,243.85

Finding the Fourth Proportional to 1,298,955.21, 1,792,501.80 and 710,243.85

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Solution

The fourth proportional to 1,298,955.21, 1,792,501.80 and 710,243.85 is: 980,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,955.21 : 1,792,501.80 = 710,243.85 : x
  2. Step 2: Convert to fraction form
    1,298,955.21/1,792,501.80 = 710,243.85/x
  3. Step 3: Cross multiply
    1,298,955.21x = 1,792,501.80 × 710,243.85
  4. Step 4: Simplify right side
    1,298,955.21x = 1,273,113,379,563.93
  5. Step 5: Solve for x
    x = 1,273,113,379,563.93/1,298,955.21
  6. Step 6: Final answer
    x = 980,105.68

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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.