Home / 1,201,281.69-1,657,746.57-657,406.52

Finding the Fourth Proportional to 1,201,281.69, 1,657,746.57 and 657,406.52

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Solution

The fourth proportional to 1,201,281.69, 1,657,746.57 and 657,406.52 is: 907,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,281.69 : 1,657,746.57 = 657,406.52 : x
  2. Step 2: Convert to fraction form
    1,201,281.69/1,657,746.57 = 657,406.52/x
  3. Step 3: Cross multiply
    1,201,281.69x = 1,657,746.57 × 657,406.52
  4. Step 4: Simplify right side
    1,201,281.69x = 1,089,813,403,625.64
  5. Step 5: Solve for x
    x = 1,089,813,403,625.64/1,201,281.69
  6. Step 6: Final answer
    x = 907,208.87

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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.