Home / 1,412,445.90-2,115,904.05-849,809.10

Finding the Fourth Proportional to 1,412,445.90, 2,115,904.05 and 849,809.10

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Solution

The fourth proportional to 1,412,445.90, 2,115,904.05 and 849,809.10 is: 1,273,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,445.90 : 2,115,904.05 = 849,809.10 : x
  2. Step 2: Convert to fraction form
    1,412,445.90/2,115,904.05 = 849,809.10/x
  3. Step 3: Cross multiply
    1,412,445.90x = 2,115,904.05 × 849,809.10
  4. Step 4: Simplify right side
    1,412,445.90x = 1,798,114,516,416.85
  5. Step 5: Solve for x
    x = 1,798,114,516,416.85/1,412,445.90
  6. Step 6: Final answer
    x = 1,273,050.19

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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.