Home / 1,340,703.70-2,011,055.55-442,284.10

Finding the Fourth Proportional to 1,340,703.70, 2,011,055.55 and 442,284.10

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Solution

The fourth proportional to 1,340,703.70, 2,011,055.55 and 442,284.10 is: 663,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,703.70 : 2,011,055.55 = 442,284.10 : x
  2. Step 2: Convert to fraction form
    1,340,703.70/2,011,055.55 = 442,284.10/x
  3. Step 3: Cross multiply
    1,340,703.70x = 2,011,055.55 × 442,284.10
  4. Step 4: Simplify right side
    1,340,703.70x = 889,457,893,981.76
  5. Step 5: Solve for x
    x = 889,457,893,981.76/1,340,703.70
  6. Step 6: Final answer
    x = 663,426.15

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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.