Home / 1,021,808.40-1,532,712.60-579,440.40

Finding the Fourth Proportional to 1,021,808.40, 1,532,712.60 and 579,440.40

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Solution

The fourth proportional to 1,021,808.40, 1,532,712.60 and 579,440.40 is: 869,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,808.40 : 1,532,712.60 = 579,440.40 : x
  2. Step 2: Convert to fraction form
    1,021,808.40/1,532,712.60 = 579,440.40/x
  3. Step 3: Cross multiply
    1,021,808.40x = 1,532,712.60 × 579,440.40
  4. Step 4: Simplify right side
    1,021,808.40x = 888,115,602,029.04
  5. Step 5: Solve for x
    x = 888,115,602,029.04/1,021,808.40
  6. Step 6: Final answer
    x = 869,160.60

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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.