Home / 1,435,061.37-1,980,384.80-790,481.57

Finding the Fourth Proportional to 1,435,061.37, 1,980,384.80 and 790,481.57

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Solution

The fourth proportional to 1,435,061.37, 1,980,384.80 and 790,481.57 is: 1,090,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,061.37 : 1,980,384.80 = 790,481.57 : x
  2. Step 2: Convert to fraction form
    1,435,061.37/1,980,384.80 = 790,481.57/x
  3. Step 3: Cross multiply
    1,435,061.37x = 1,980,384.80 × 790,481.57
  4. Step 4: Simplify right side
    1,435,061.37x = 1,565,457,676,500.26
  5. Step 5: Solve for x
    x = 1,565,457,676,500.26/1,435,061.37
  6. Step 6: Final answer
    x = 1,090,864.62

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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.