Home / 1,720,420.56-2,580,731.28-522,381.96

Finding the Fourth Proportional to 1,720,420.56, 2,580,731.28 and 522,381.96

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Solution

The fourth proportional to 1,720,420.56, 2,580,731.28 and 522,381.96 is: 783,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,420.56 : 2,580,731.28 = 522,381.96 : x
  2. Step 2: Convert to fraction form
    1,720,420.56/2,580,731.28 = 522,381.96/x
  3. Step 3: Cross multiply
    1,720,420.56x = 2,580,731.28 × 522,381.96
  4. Step 4: Simplify right side
    1,720,420.56x = 1,348,127,464,279.71
  5. Step 5: Solve for x
    x = 1,348,127,464,279.71/1,720,420.56
  6. Step 6: Final answer
    x = 783,603.44

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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.