Home / 1,201,328.93-1,657,834.56-657,464.39

Finding the Fourth Proportional to 1,201,328.93, 1,657,834.56 and 657,464.39

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Solution

The fourth proportional to 1,201,328.93, 1,657,834.56 and 657,464.39 is: 907,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,328.93 : 1,657,834.56 = 657,464.39 : x
  2. Step 2: Convert to fraction form
    1,201,328.93/1,657,834.56 = 657,464.39/x
  3. Step 3: Cross multiply
    1,201,328.93x = 1,657,834.56 × 657,464.39
  4. Step 4: Simplify right side
    1,201,328.93x = 1,089,967,191,855.90
  5. Step 5: Solve for x
    x = 1,089,967,191,855.90/1,201,328.93
  6. Step 6: Final answer
    x = 907,301.21

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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.