Home / 909,959.20-1,364,938.80-732,812.20

Finding the Fourth Proportional to 909,959.20, 1,364,938.80 and 732,812.20

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Solution

The fourth proportional to 909,959.20, 1,364,938.80 and 732,812.20 is: 1,099,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,959.20 : 1,364,938.80 = 732,812.20 : x
  2. Step 2: Convert to fraction form
    909,959.20/1,364,938.80 = 732,812.20/x
  3. Step 3: Cross multiply
    909,959.20x = 1,364,938.80 × 732,812.20
  4. Step 4: Simplify right side
    909,959.20x = 1,000,243,804,893.36
  5. Step 5: Solve for x
    x = 1,000,243,804,893.36/909,959.20
  6. Step 6: Final answer
    x = 1,099,218.30

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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.