Home / 2,709,728.80-4,064,595.02-688,124.32

Finding the Fourth Proportional to 2,709,728.80, 4,064,595.02 and 688,124.32

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Solution

The fourth proportional to 2,709,728.80, 4,064,595.02 and 688,124.32 is: 1,032,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,728.80 : 4,064,595.02 = 688,124.32 : x
  2. Step 2: Convert to fraction form
    2,709,728.80/4,064,595.02 = 688,124.32/x
  3. Step 3: Cross multiply
    2,709,728.80x = 4,064,595.02 × 688,124.32
  4. Step 4: Simplify right side
    2,709,728.80x = 2,796,946,684,212.89
  5. Step 5: Solve for x
    x = 2,796,946,684,212.89/2,709,728.80
  6. Step 6: Final answer
    x = 1,032,186.94

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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.