Home / 1,413,632.64-2,121,130.08-703,723.20

Finding the Fourth Proportional to 1,413,632.64, 2,121,130.08 and 703,723.20

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Solution

The fourth proportional to 1,413,632.64, 2,121,130.08 and 703,723.20 is: 1,055,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,632.64 : 2,121,130.08 = 703,723.20 : x
  2. Step 2: Convert to fraction form
    1,413,632.64/2,121,130.08 = 703,723.20/x
  3. Step 3: Cross multiply
    1,413,632.64x = 2,121,130.08 × 703,723.20
  4. Step 4: Simplify right side
    1,413,632.64x = 1,492,688,447,513.86
  5. Step 5: Solve for x
    x = 1,492,688,447,513.86/1,413,632.64
  6. Step 6: Final answer
    x = 1,055,923.87

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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.