Home / 902,686.48-1,345,959.47-877,885.90

Finding the Fourth Proportional to 902,686.48, 1,345,959.47 and 877,885.90

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Solution

The fourth proportional to 902,686.48, 1,345,959.47 and 877,885.90 is: 1,308,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,686.48 : 1,345,959.47 = 877,885.90 : x
  2. Step 2: Convert to fraction form
    902,686.48/1,345,959.47 = 877,885.90/x
  3. Step 3: Cross multiply
    902,686.48x = 1,345,959.47 × 877,885.90
  4. Step 4: Simplify right side
    902,686.48x = 1,181,598,840,684.47
  5. Step 5: Solve for x
    x = 1,181,598,840,684.47/902,686.48
  6. Step 6: Final answer
    x = 1,308,980.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.