Home / 1,426,424.60-2,139,734.10-453,711.80

Finding the Fourth Proportional to 1,426,424.60, 2,139,734.10 and 453,711.80

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Solution

The fourth proportional to 1,426,424.60, 2,139,734.10 and 453,711.80 is: 680,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,424.60 : 2,139,734.10 = 453,711.80 : x
  2. Step 2: Convert to fraction form
    1,426,424.60/2,139,734.10 = 453,711.80/x
  3. Step 3: Cross multiply
    1,426,424.60x = 2,139,734.10 × 453,711.80
  4. Step 4: Simplify right side
    1,426,424.60x = 970,822,610,032.38
  5. Step 5: Solve for x
    x = 970,822,610,032.38/1,426,424.60
  6. Step 6: Final answer
    x = 680,598.62

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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.