Home / 1,098,427.48-1,515,048.24-1,008,075.04

Finding the Fourth Proportional to 1,098,427.48, 1,515,048.24 and 1,008,075.04

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Solution

The fourth proportional to 1,098,427.48, 1,515,048.24 and 1,008,075.04 is: 1,390,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,427.48 : 1,515,048.24 = 1,008,075.04 : x
  2. Step 2: Convert to fraction form
    1,098,427.48/1,515,048.24 = 1,008,075.04/x
  3. Step 3: Cross multiply
    1,098,427.48x = 1,515,048.24 × 1,008,075.04
  4. Step 4: Simplify right side
    1,098,427.48x = 1,527,282,315,139.93
  5. Step 5: Solve for x
    x = 1,527,282,315,139.93/1,098,427.48
  6. Step 6: Final answer
    x = 1,390,426.17

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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.