Home / 1,755,268.80-2,632,903.20-689,762.40

Finding the Fourth Proportional to 1,755,268.80, 2,632,903.20 and 689,762.40

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Solution

The fourth proportional to 1,755,268.80, 2,632,903.20 and 689,762.40 is: 1,034,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,268.80 : 2,632,903.20 = 689,762.40 : x
  2. Step 2: Convert to fraction form
    1,755,268.80/2,632,903.20 = 689,762.40/x
  3. Step 3: Cross multiply
    1,755,268.80x = 2,632,903.20 × 689,762.40
  4. Step 4: Simplify right side
    1,755,268.80x = 1,816,077,630,199.68
  5. Step 5: Solve for x
    x = 1,816,077,630,199.68/1,755,268.80
  6. Step 6: Final answer
    x = 1,034,643.60

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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.