Home / 1,122,809.48-1,549,440.09-709,567.10

Finding the Fourth Proportional to 1,122,809.48, 1,549,440.09 and 709,567.10

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Solution

The fourth proportional to 1,122,809.48, 1,549,440.09 and 709,567.10 is: 979,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,809.48 : 1,549,440.09 = 709,567.10 : x
  2. Step 2: Convert to fraction form
    1,122,809.48/1,549,440.09 = 709,567.10/x
  3. Step 3: Cross multiply
    1,122,809.48x = 1,549,440.09 × 709,567.10
  4. Step 4: Simplify right side
    1,122,809.48x = 1,099,431,703,537.84
  5. Step 5: Solve for x
    x = 1,099,431,703,537.84/1,122,809.48
  6. Step 6: Final answer
    x = 979,179.21

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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.