Home / 1,432,585.68-1,977,015.24-788,055.36

Finding the Fourth Proportional to 1,432,585.68, 1,977,015.24 and 788,055.36

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Solution

The fourth proportional to 1,432,585.68, 1,977,015.24 and 788,055.36 is: 1,087,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,585.68 : 1,977,015.24 = 788,055.36 : x
  2. Step 2: Convert to fraction form
    1,432,585.68/1,977,015.24 = 788,055.36/x
  3. Step 3: Cross multiply
    1,432,585.68x = 1,977,015.24 × 788,055.36
  4. Step 4: Simplify right side
    1,432,585.68x = 1,557,997,456,683.69
  5. Step 5: Solve for x
    x = 1,557,997,456,683.69/1,432,585.68
  6. Step 6: Final answer
    x = 1,087,542.25

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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.