Home / 1,086,645.30-1,499,499.45-603,210.30

Finding the Fourth Proportional to 1,086,645.30, 1,499,499.45 and 603,210.30

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Solution

The fourth proportional to 1,086,645.30, 1,499,499.45 and 603,210.30 is: 832,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,645.30 : 1,499,499.45 = 603,210.30 : x
  2. Step 2: Convert to fraction form
    1,086,645.30/1,499,499.45 = 603,210.30/x
  3. Step 3: Cross multiply
    1,086,645.30x = 1,499,499.45 × 603,210.30
  4. Step 4: Simplify right side
    1,086,645.30x = 904,513,513,084.34
  5. Step 5: Solve for x
    x = 904,513,513,084.34/1,086,645.30
  6. Step 6: Final answer
    x = 832,390.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.