Home / 1,148,322.88-1,722,485.40-549,143.20

Finding the Fourth Proportional to 1,148,322.88, 1,722,485.40 and 549,143.20

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Solution

The fourth proportional to 1,148,322.88, 1,722,485.40 and 549,143.20 is: 823,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,322.88 : 1,722,485.40 = 549,143.20 : x
  2. Step 2: Convert to fraction form
    1,148,322.88/1,722,485.40 = 549,143.20/x
  3. Step 3: Cross multiply
    1,148,322.88x = 1,722,485.40 × 549,143.20
  4. Step 4: Simplify right side
    1,148,322.88x = 945,891,144,509.28
  5. Step 5: Solve for x
    x = 945,891,144,509.28/1,148,322.88
  6. Step 6: Final answer
    x = 823,715.32

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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.