Home / 1,931,496.40-2,898,281.40-809,678.80

Finding the Fourth Proportional to 1,931,496.40, 2,898,281.40 and 809,678.80

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Solution

The fourth proportional to 1,931,496.40, 2,898,281.40 and 809,678.80 is: 1,214,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,496.40 : 2,898,281.40 = 809,678.80 : x
  2. Step 2: Convert to fraction form
    1,931,496.40/2,898,281.40 = 809,678.80/x
  3. Step 3: Cross multiply
    1,931,496.40x = 2,898,281.40 × 809,678.80
  4. Step 4: Simplify right side
    1,931,496.40x = 2,346,677,006,014.32
  5. Step 5: Solve for x
    x = 2,346,677,006,014.32/1,931,496.40
  6. Step 6: Final answer
    x = 1,214,952.82

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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.