Home / 1,175,127.64-1,762,691.46-288,663.64

Finding the Fourth Proportional to 1,175,127.64, 1,762,691.46 and 288,663.64

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Solution

The fourth proportional to 1,175,127.64, 1,762,691.46 and 288,663.64 is: 432,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,127.64 : 1,762,691.46 = 288,663.64 : x
  2. Step 2: Convert to fraction form
    1,175,127.64/1,762,691.46 = 288,663.64/x
  3. Step 3: Cross multiply
    1,175,127.64x = 1,762,691.46 × 288,663.64
  4. Step 4: Simplify right side
    1,175,127.64x = 508,824,933,040.51
  5. Step 5: Solve for x
    x = 508,824,933,040.51/1,175,127.64
  6. Step 6: Final answer
    x = 432,995.46

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Double scale
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Similar ratio
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1.5x scale

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.