Home / 1,560,280.20-2,340,420.30-1,021,403.40

Finding the Fourth Proportional to 1,560,280.20, 2,340,420.30 and 1,021,403.40

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Solution

The fourth proportional to 1,560,280.20, 2,340,420.30 and 1,021,403.40 is: 1,532,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,280.20 : 2,340,420.30 = 1,021,403.40 : x
  2. Step 2: Convert to fraction form
    1,560,280.20/2,340,420.30 = 1,021,403.40/x
  3. Step 3: Cross multiply
    1,560,280.20x = 2,340,420.30 × 1,021,403.40
  4. Step 4: Simplify right side
    1,560,280.20x = 2,390,513,251,849.02
  5. Step 5: Solve for x
    x = 2,390,513,251,849.02/1,560,280.20
  6. Step 6: Final answer
    x = 1,532,105.10

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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.