Home / 1,206,883.20-1,811,345.40-497,420.40

Finding the Fourth Proportional to 1,206,883.20, 1,811,345.40 and 497,420.40

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Solution

The fourth proportional to 1,206,883.20, 1,811,345.40 and 497,420.40 is: 746,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,883.20 : 1,811,345.40 = 497,420.40 : x
  2. Step 2: Convert to fraction form
    1,206,883.20/1,811,345.40 = 497,420.40/x
  3. Step 3: Cross multiply
    1,206,883.20x = 1,811,345.40 × 497,420.40
  4. Step 4: Simplify right side
    1,206,883.20x = 901,000,153,406.16
  5. Step 5: Solve for x
    x = 901,000,153,406.16/1,206,883.20
  6. Step 6: Final answer
    x = 746,551.24

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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.