Home / 1,473,890.40-2,210,533.20-408,664.80

Finding the Fourth Proportional to 1,473,890.40, 2,210,533.20 and 408,664.80

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Solution

The fourth proportional to 1,473,890.40, 2,210,533.20 and 408,664.80 is: 612,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,890.40 : 2,210,533.20 = 408,664.80 : x
  2. Step 2: Convert to fraction form
    1,473,890.40/2,210,533.20 = 408,664.80/x
  3. Step 3: Cross multiply
    1,473,890.40x = 2,210,533.20 × 408,664.80
  4. Step 4: Simplify right side
    1,473,890.40x = 903,367,108,071.36
  5. Step 5: Solve for x
    x = 903,367,108,071.36/1,473,890.40
  6. Step 6: Final answer
    x = 612,913.35

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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.