Home / 1,201,314.23-1,657,798.04-657,440.13

Finding the Fourth Proportional to 1,201,314.23, 1,657,798.04 and 657,440.13

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Solution

The fourth proportional to 1,201,314.23, 1,657,798.04 and 657,440.13 is: 907,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,314.23 : 1,657,798.04 = 657,440.13 : x
  2. Step 2: Convert to fraction form
    1,201,314.23/1,657,798.04 = 657,440.13/x
  3. Step 3: Cross multiply
    1,201,314.23x = 1,657,798.04 × 657,440.13
  4. Step 4: Simplify right side
    1,201,314.23x = 1,089,902,958,931.35
  5. Step 5: Solve for x
    x = 1,089,902,958,931.35/1,201,314.23
  6. Step 6: Final answer
    x = 907,258.84

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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.