Home / 1,175,128.64-1,762,692.96-288,664.64

Finding the Fourth Proportional to 1,175,128.64, 1,762,692.96 and 288,664.64

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Solution

The fourth proportional to 1,175,128.64, 1,762,692.96 and 288,664.64 is: 432,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,128.64 : 1,762,692.96 = 288,664.64 : x
  2. Step 2: Convert to fraction form
    1,175,128.64/1,762,692.96 = 288,664.64/x
  3. Step 3: Cross multiply
    1,175,128.64x = 1,762,692.96 × 288,664.64
  4. Step 4: Simplify right side
    1,175,128.64x = 508,827,128,728.93
  5. Step 5: Solve for x
    x = 508,827,128,728.93/1,175,128.64
  6. Step 6: Final answer
    x = 432,996.96

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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.