Home / 1,526,412.60-2,289,618.90-779,916.60

Finding the Fourth Proportional to 1,526,412.60, 2,289,618.90 and 779,916.60

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Solution

The fourth proportional to 1,526,412.60, 2,289,618.90 and 779,916.60 is: 1,169,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,412.60 : 2,289,618.90 = 779,916.60 : x
  2. Step 2: Convert to fraction form
    1,526,412.60/2,289,618.90 = 779,916.60/x
  3. Step 3: Cross multiply
    1,526,412.60x = 2,289,618.90 × 779,916.60
  4. Step 4: Simplify right side
    1,526,412.60x = 1,785,711,787,783.74
  5. Step 5: Solve for x
    x = 1,785,711,787,783.74/1,526,412.60
  6. Step 6: Final answer
    x = 1,169,874.90

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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.