Home / 1,643,523.48-2,465,409.15-490,678.77

Finding the Fourth Proportional to 1,643,523.48, 2,465,409.15 and 490,678.77

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Solution

The fourth proportional to 1,643,523.48, 2,465,409.15 and 490,678.77 is: 736,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,523.48 : 2,465,409.15 = 490,678.77 : x
  2. Step 2: Convert to fraction form
    1,643,523.48/2,465,409.15 = 490,678.77/x
  3. Step 3: Cross multiply
    1,643,523.48x = 2,465,409.15 × 490,678.77
  4. Step 4: Simplify right side
    1,643,523.48x = 1,209,723,929,268.75
  5. Step 5: Solve for x
    x = 1,209,723,929,268.75/1,643,523.48
  6. Step 6: Final answer
    x = 736,055.15

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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.