Home / 1,688,223.02-2,330,075.64-1,279,612.16

Finding the Fourth Proportional to 1,688,223.02, 2,330,075.64 and 1,279,612.16

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Solution

The fourth proportional to 1,688,223.02, 2,330,075.64 and 1,279,612.16 is: 1,766,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,223.02 : 2,330,075.64 = 1,279,612.16 : x
  2. Step 2: Convert to fraction form
    1,688,223.02/2,330,075.64 = 1,279,612.16/x
  3. Step 3: Cross multiply
    1,688,223.02x = 2,330,075.64 × 1,279,612.16
  4. Step 4: Simplify right side
    1,688,223.02x = 2,981,593,122,663.78
  5. Step 5: Solve for x
    x = 2,981,593,122,663.78/1,688,223.02
  6. Step 6: Final answer
    x = 1,766,113.30

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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.