Home / 1,021,569.30-1,532,353.95-909,376.20

Finding the Fourth Proportional to 1,021,569.30, 1,532,353.95 and 909,376.20

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Solution

The fourth proportional to 1,021,569.30, 1,532,353.95 and 909,376.20 is: 1,364,064.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,569.30 : 1,532,353.95 = 909,376.20 : x
  2. Step 2: Convert to fraction form
    1,021,569.30/1,532,353.95 = 909,376.20/x
  3. Step 3: Cross multiply
    1,021,569.30x = 1,532,353.95 × 909,376.20
  4. Step 4: Simplify right side
    1,021,569.30x = 1,393,486,212,105.99
  5. Step 5: Solve for x
    x = 1,393,486,212,105.99/1,021,569.30
  6. Step 6: Final answer
    x = 1,364,064.30

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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.