Home / 909,274.40-1,363,911.60-741,312.80

Finding the Fourth Proportional to 909,274.40, 1,363,911.60 and 741,312.80

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Solution

The fourth proportional to 909,274.40, 1,363,911.60 and 741,312.80 is: 1,111,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,274.40 : 1,363,911.60 = 741,312.80 : x
  2. Step 2: Convert to fraction form
    909,274.40/1,363,911.60 = 741,312.80/x
  3. Step 3: Cross multiply
    909,274.40x = 1,363,911.60 × 741,312.80
  4. Step 4: Simplify right side
    909,274.40x = 1,011,085,127,148.48
  5. Step 5: Solve for x
    x = 1,011,085,127,148.48/909,274.40
  6. Step 6: Final answer
    x = 1,111,969.20

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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.