Home / 1,038,159.90-1,554,287.40-799,995.60

Finding the Fourth Proportional to 1,038,159.90, 1,554,287.40 and 799,995.60

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Solution

The fourth proportional to 1,038,159.90, 1,554,287.40 and 799,995.60 is: 1,197,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,159.90 : 1,554,287.40 = 799,995.60 : x
  2. Step 2: Convert to fraction form
    1,038,159.90/1,554,287.40 = 799,995.60/x
  3. Step 3: Cross multiply
    1,038,159.90x = 1,554,287.40 × 799,995.60
  4. Step 4: Simplify right side
    1,038,159.90x = 1,243,423,081,135.44
  5. Step 5: Solve for x
    x = 1,243,423,081,135.44/1,038,159.90
  6. Step 6: Final answer
    x = 1,197,718.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.