Home / 909,941.20-1,364,911.80-898,131.40

Finding the Fourth Proportional to 909,941.20, 1,364,911.80 and 898,131.40

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Solution

The fourth proportional to 909,941.20, 1,364,911.80 and 898,131.40 is: 1,347,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,941.20 : 1,364,911.80 = 898,131.40 : x
  2. Step 2: Convert to fraction form
    909,941.20/1,364,911.80 = 898,131.40/x
  3. Step 3: Cross multiply
    909,941.20x = 1,364,911.80 × 898,131.40
  4. Step 4: Simplify right side
    909,941.20x = 1,225,870,145,810.52
  5. Step 5: Solve for x
    x = 1,225,870,145,810.52/909,941.20
  6. Step 6: Final answer
    x = 1,347,197.10

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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.