Home / 1,038,296.66-1,432,846.70-579,406.40

Finding the Fourth Proportional to 1,038,296.66, 1,432,846.70 and 579,406.40

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Solution

The fourth proportional to 1,038,296.66, 1,432,846.70 and 579,406.40 is: 799,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,296.66 : 1,432,846.70 = 579,406.40 : x
  2. Step 2: Convert to fraction form
    1,038,296.66/1,432,846.70 = 579,406.40/x
  3. Step 3: Cross multiply
    1,038,296.66x = 1,432,846.70 × 579,406.40
  4. Step 4: Simplify right side
    1,038,296.66x = 830,200,545,301.85
  5. Step 5: Solve for x
    x = 830,200,545,301.85/1,038,296.66
  6. Step 6: Final answer
    x = 799,579.33

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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.