Home / 1,720,004.40-2,580,006.60-521,868.60

Finding the Fourth Proportional to 1,720,004.40, 2,580,006.60 and 521,868.60

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Solution

The fourth proportional to 1,720,004.40, 2,580,006.60 and 521,868.60 is: 782,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,004.40 : 2,580,006.60 = 521,868.60 : x
  2. Step 2: Convert to fraction form
    1,720,004.40/2,580,006.60 = 521,868.60/x
  3. Step 3: Cross multiply
    1,720,004.40x = 2,580,006.60 × 521,868.60
  4. Step 4: Simplify right side
    1,720,004.40x = 1,346,424,432,332.76
  5. Step 5: Solve for x
    x = 1,346,424,432,332.76/1,720,004.40
  6. Step 6: Final answer
    x = 782,802.90

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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.