Home / 1,101,266.40-1,651,510.80-391,317.60

Finding the Fourth Proportional to 1,101,266.40, 1,651,510.80 and 391,317.60

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Solution

The fourth proportional to 1,101,266.40, 1,651,510.80 and 391,317.60 is: 586,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,266.40 : 1,651,510.80 = 391,317.60 : x
  2. Step 2: Convert to fraction form
    1,101,266.40/1,651,510.80 = 391,317.60/x
  3. Step 3: Cross multiply
    1,101,266.40x = 1,651,510.80 × 391,317.60
  4. Step 4: Simplify right side
    1,101,266.40x = 646,265,242,630.08
  5. Step 5: Solve for x
    x = 646,265,242,630.08/1,101,266.40
  6. Step 6: Final answer
    x = 586,838.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.