Home / 1,439,358.30-2,157,069.15-958,218.30

Finding the Fourth Proportional to 1,439,358.30, 2,157,069.15 and 958,218.30

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Solution

The fourth proportional to 1,439,358.30, 2,157,069.15 and 958,218.30 is: 1,436,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,358.30 : 2,157,069.15 = 958,218.30 : x
  2. Step 2: Convert to fraction form
    1,439,358.30/2,157,069.15 = 958,218.30/x
  3. Step 3: Cross multiply
    1,439,358.30x = 2,157,069.15 × 958,218.30
  4. Step 4: Simplify right side
    1,439,358.30x = 2,066,943,133,895.45
  5. Step 5: Solve for x
    x = 2,066,943,133,895.45/1,439,358.30
  6. Step 6: Final answer
    x = 1,436,017.10

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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.