Home / 1,792,075.48-2,687,688.60-512,643.52

Finding the Fourth Proportional to 1,792,075.48, 2,687,688.60 and 512,643.52

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Solution

The fourth proportional to 1,792,075.48, 2,687,688.60 and 512,643.52 is: 768,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,075.48 : 2,687,688.60 = 512,643.52 : x
  2. Step 2: Convert to fraction form
    1,792,075.48/2,687,688.60 = 512,643.52/x
  3. Step 3: Cross multiply
    1,792,075.48x = 2,687,688.60 × 512,643.52
  4. Step 4: Simplify right side
    1,792,075.48x = 1,377,826,144,567.87
  5. Step 5: Solve for x
    x = 1,377,826,144,567.87/1,792,075.48
  6. Step 6: Final answer
    x = 768,843.81

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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.