Home / 1,500,987.24-2,071,322.28-856,395.72

Finding the Fourth Proportional to 1,500,987.24, 2,071,322.28 and 856,395.72

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Solution

The fourth proportional to 1,500,987.24, 2,071,322.28 and 856,395.72 is: 1,181,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,987.24 : 2,071,322.28 = 856,395.72 : x
  2. Step 2: Convert to fraction form
    1,500,987.24/2,071,322.28 = 856,395.72/x
  3. Step 3: Cross multiply
    1,500,987.24x = 2,071,322.28 × 856,395.72
  4. Step 4: Simplify right side
    1,500,987.24x = 1,773,871,535,332.64
  5. Step 5: Solve for x
    x = 1,773,871,535,332.64/1,500,987.24
  6. Step 6: Final answer
    x = 1,181,803.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.