Home / 987,075.51-1,481,202.95-906,768.15

Finding the Fourth Proportional to 987,075.51, 1,481,202.95 and 906,768.15

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Solution

The fourth proportional to 987,075.51, 1,481,202.95 and 906,768.15 is: 1,360,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,075.51 : 1,481,202.95 = 906,768.15 : x
  2. Step 2: Convert to fraction form
    987,075.51/1,481,202.95 = 906,768.15/x
  3. Step 3: Cross multiply
    987,075.51x = 1,481,202.95 × 906,768.15
  4. Step 4: Simplify right side
    987,075.51x = 1,343,107,654,212.20
  5. Step 5: Solve for x
    x = 1,343,107,654,212.20/987,075.51
  6. Step 6: Final answer
    x = 1,360,693.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.