Home / 1,002,690.96-1,383,715.80-572,970.07

Finding the Fourth Proportional to 1,002,690.96, 1,383,715.80 and 572,970.07

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Solution

The fourth proportional to 1,002,690.96, 1,383,715.80 and 572,970.07 is: 790,699.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,690.96 : 1,383,715.80 = 572,970.07 : x
  2. Step 2: Convert to fraction form
    1,002,690.96/1,383,715.80 = 572,970.07/x
  3. Step 3: Cross multiply
    1,002,690.96x = 1,383,715.80 × 572,970.07
  4. Step 4: Simplify right side
    1,002,690.96x = 792,827,734,880.99
  5. Step 5: Solve for x
    x = 792,827,734,880.99/1,002,690.96
  6. Step 6: Final answer
    x = 790,699.99

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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.