Home / 1,038,621-1,433,301.30-561,693

Finding the Fourth Proportional to 1,038,621, 1,433,301.30 and 561,693

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Solution

The fourth proportional to 1,038,621, 1,433,301.30 and 561,693 is: 775,138.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,621 : 1,433,301.30 = 561,693 : x
  2. Step 2: Convert to fraction form
    1,038,621/1,433,301.30 = 561,693/x
  3. Step 3: Cross multiply
    1,038,621x = 1,433,301.30 × 561,693
  4. Step 4: Simplify right side
    1,038,621x = 805,075,307,100.90
  5. Step 5: Solve for x
    x = 805,075,307,100.90/1,038,621
  6. Step 6: Final answer
    x = 775,138.68

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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.