Home / 1,013,911.75-1,399,199.48-631,938.25

Finding the Fourth Proportional to 1,013,911.75, 1,399,199.48 and 631,938.25

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Solution

The fourth proportional to 1,013,911.75, 1,399,199.48 and 631,938.25 is: 872,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,911.75 : 1,399,199.48 = 631,938.25 : x
  2. Step 2: Convert to fraction form
    1,013,911.75/1,399,199.48 = 631,938.25/x
  3. Step 3: Cross multiply
    1,013,911.75x = 1,399,199.48 × 631,938.25
  4. Step 4: Simplify right side
    1,013,911.75x = 884,207,670,792.11
  5. Step 5: Solve for x
    x = 884,207,670,792.11/1,013,911.75
  6. Step 6: Final answer
    x = 872,075.57

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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.