Home / 1,038,993.76-1,433,567.76-631,084.24

Finding the Fourth Proportional to 1,038,993.76, 1,433,567.76 and 631,084.24

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Solution

The fourth proportional to 1,038,993.76, 1,433,567.76 and 631,084.24 is: 870,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,993.76 : 1,433,567.76 = 631,084.24 : x
  2. Step 2: Convert to fraction form
    1,038,993.76/1,433,567.76 = 631,084.24/x
  3. Step 3: Cross multiply
    1,038,993.76x = 1,433,567.76 × 631,084.24
  4. Step 4: Simplify right side
    1,038,993.76x = 904,702,020,308.10
  5. Step 5: Solve for x
    x = 904,702,020,308.10/1,038,993.76
  6. Step 6: Final answer
    x = 870,748.27

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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.