Home / 1,426,703.60-2,140,152.60-453,990.80

Finding the Fourth Proportional to 1,426,703.60, 2,140,152.60 and 453,990.80

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Solution

The fourth proportional to 1,426,703.60, 2,140,152.60 and 453,990.80 is: 681,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,703.60 : 2,140,152.60 = 453,990.80 : x
  2. Step 2: Convert to fraction form
    1,426,703.60/2,140,152.60 = 453,990.80/x
  3. Step 3: Cross multiply
    1,426,703.60x = 2,140,152.60 × 453,990.80
  4. Step 4: Simplify right side
    1,426,703.60x = 971,609,590,996.08
  5. Step 5: Solve for x
    x = 971,609,590,996.08/1,426,703.60
  6. Step 6: Final answer
    x = 681,017.13

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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.