Home / 1,019,731.20-1,529,548.20-345,746.40

Finding the Fourth Proportional to 1,019,731.20, 1,529,548.20 and 345,746.40

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Solution

The fourth proportional to 1,019,731.20, 1,529,548.20 and 345,746.40 is: 518,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,731.20 : 1,529,548.20 = 345,746.40 : x
  2. Step 2: Convert to fraction form
    1,019,731.20/1,529,548.20 = 345,746.40/x
  3. Step 3: Cross multiply
    1,019,731.20x = 1,529,548.20 × 345,746.40
  4. Step 4: Simplify right side
    1,019,731.20x = 528,835,783,776.48
  5. Step 5: Solve for x
    x = 528,835,783,776.48/1,019,731.20
  6. Step 6: Final answer
    x = 518,603.12

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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.