Home / 1,478,353.78-2,217,770.58-579,308.15

Finding the Fourth Proportional to 1,478,353.78, 2,217,770.58 and 579,308.15

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Solution

The fourth proportional to 1,478,353.78, 2,217,770.58 and 579,308.15 is: 869,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,353.78 : 2,217,770.58 = 579,308.15 : x
  2. Step 2: Convert to fraction form
    1,478,353.78/2,217,770.58 = 579,308.15/x
  3. Step 3: Cross multiply
    1,478,353.78x = 2,217,770.58 × 579,308.15
  4. Step 4: Simplify right side
    1,478,353.78x = 1,284,772,579,541.06
  5. Step 5: Solve for x
    x = 1,284,772,579,541.06/1,478,353.78
  6. Step 6: Final answer
    x = 869,056.24

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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.