Home / 1,004,595-1,386,341.64-551,915.16

Finding the Fourth Proportional to 1,004,595, 1,386,341.64 and 551,915.16

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Solution

The fourth proportional to 1,004,595, 1,386,341.64 and 551,915.16 is: 761,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,595 : 1,386,341.64 = 551,915.16 : x
  2. Step 2: Convert to fraction form
    1,004,595/1,386,341.64 = 551,915.16/x
  3. Step 3: Cross multiply
    1,004,595x = 1,386,341.64 × 551,915.16
  4. Step 4: Simplify right side
    1,004,595x = 765,142,968,055.26
  5. Step 5: Solve for x
    x = 765,142,968,055.26/1,004,595
  6. Step 6: Final answer
    x = 761,643.22

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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.