Home / 1,555,646.40-2,329,783.20-958,449.60

Finding the Fourth Proportional to 1,555,646.40, 2,329,783.20 and 958,449.60

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Solution

The fourth proportional to 1,555,646.40, 2,329,783.20 and 958,449.60 is: 1,435,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,646.40 : 2,329,783.20 = 958,449.60 : x
  2. Step 2: Convert to fraction form
    1,555,646.40/2,329,783.20 = 958,449.60/x
  3. Step 3: Cross multiply
    1,555,646.40x = 2,329,783.20 × 958,449.60
  4. Step 4: Simplify right side
    1,555,646.40x = 2,232,979,776,126.72
  5. Step 5: Solve for x
    x = 2,232,979,776,126.72/1,555,646.40
  6. Step 6: Final answer
    x = 1,435,403.17

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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.