Home / 1,155,715.20-1,732,406.40-525,081.60

Finding the Fourth Proportional to 1,155,715.20, 1,732,406.40 and 525,081.60

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Solution

The fourth proportional to 1,155,715.20, 1,732,406.40 and 525,081.60 is: 787,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,715.20 : 1,732,406.40 = 525,081.60 : x
  2. Step 2: Convert to fraction form
    1,155,715.20/1,732,406.40 = 525,081.60/x
  3. Step 3: Cross multiply
    1,155,715.20x = 1,732,406.40 × 525,081.60
  4. Step 4: Simplify right side
    1,155,715.20x = 909,654,724,362.24
  5. Step 5: Solve for x
    x = 909,654,724,362.24/1,155,715.20
  6. Step 6: Final answer
    x = 787,092.46

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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.