Home / 1,210,490.10-1,815,735.15-804,582.90

Finding the Fourth Proportional to 1,210,490.10, 1,815,735.15 and 804,582.90

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Solution

The fourth proportional to 1,210,490.10, 1,815,735.15 and 804,582.90 is: 1,206,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,490.10 : 1,815,735.15 = 804,582.90 : x
  2. Step 2: Convert to fraction form
    1,210,490.10/1,815,735.15 = 804,582.90/x
  3. Step 3: Cross multiply
    1,210,490.10x = 1,815,735.15 × 804,582.90
  4. Step 4: Simplify right side
    1,210,490.10x = 1,460,909,452,618.94
  5. Step 5: Solve for x
    x = 1,460,909,452,618.94/1,210,490.10
  6. Step 6: Final answer
    x = 1,206,874.35

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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.