Home / 1,039,807.80-1,559,930.40-440,460.45

Finding the Fourth Proportional to 1,039,807.80, 1,559,930.40 and 440,460.45

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Solution

The fourth proportional to 1,039,807.80, 1,559,930.40 and 440,460.45 is: 660,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,807.80 : 1,559,930.40 = 440,460.45 : x
  2. Step 2: Convert to fraction form
    1,039,807.80/1,559,930.40 = 440,460.45/x
  3. Step 3: Cross multiply
    1,039,807.80x = 1,559,930.40 × 440,460.45
  4. Step 4: Simplify right side
    1,039,807.80x = 687,087,645,952.68
  5. Step 5: Solve for x
    x = 687,087,645,952.68/1,039,807.80
  6. Step 6: Final answer
    x = 660,783.32

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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.