Home / 1,155,157.20-1,731,569.40-524,523.60

Finding the Fourth Proportional to 1,155,157.20, 1,731,569.40 and 524,523.60

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Solution

The fourth proportional to 1,155,157.20, 1,731,569.40 and 524,523.60 is: 786,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,157.20 : 1,731,569.40 = 524,523.60 : x
  2. Step 2: Convert to fraction form
    1,155,157.20/1,731,569.40 = 524,523.60/x
  3. Step 3: Cross multiply
    1,155,157.20x = 1,731,569.40 × 524,523.60
  4. Step 4: Simplify right side
    1,155,157.20x = 908,249,015,337.84
  5. Step 5: Solve for x
    x = 908,249,015,337.84/1,155,157.20
  6. Step 6: Final answer
    x = 786,255.77

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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.