Home / 1,219,142.73-1,683,239.04-760,955.28

Finding the Fourth Proportional to 1,219,142.73, 1,683,239.04 and 760,955.28

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Solution

The fourth proportional to 1,219,142.73, 1,683,239.04 and 760,955.28 is: 1,050,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,142.73 : 1,683,239.04 = 760,955.28 : x
  2. Step 2: Convert to fraction form
    1,219,142.73/1,683,239.04 = 760,955.28/x
  3. Step 3: Cross multiply
    1,219,142.73x = 1,683,239.04 × 760,955.28
  4. Step 4: Simplify right side
    1,219,142.73x = 1,280,869,634,990.13
  5. Step 5: Solve for x
    x = 1,280,869,634,990.13/1,219,142.73
  6. Step 6: Final answer
    x = 1,050,631.40

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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.