Home / 1,292,035.40-1,782,991.08-719,075.48

Finding the Fourth Proportional to 1,292,035.40, 1,782,991.08 and 719,075.48

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Solution

The fourth proportional to 1,292,035.40, 1,782,991.08 and 719,075.48 is: 992,314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,035.40 : 1,782,991.08 = 719,075.48 : x
  2. Step 2: Convert to fraction form
    1,292,035.40/1,782,991.08 = 719,075.48/x
  3. Step 3: Cross multiply
    1,292,035.40x = 1,782,991.08 × 719,075.48
  4. Step 4: Simplify right side
    1,292,035.40x = 1,282,105,166,686.72
  5. Step 5: Solve for x
    x = 1,282,105,166,686.72/1,292,035.40
  6. Step 6: Final answer
    x = 992,314.27

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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.