Home / 1,432,639.05-1,977,030.83-788,045.10

Finding the Fourth Proportional to 1,432,639.05, 1,977,030.83 and 788,045.10

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Solution

The fourth proportional to 1,432,639.05, 1,977,030.83 and 788,045.10 is: 1,087,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,639.05 : 1,977,030.83 = 788,045.10 : x
  2. Step 2: Convert to fraction form
    1,432,639.05/1,977,030.83 = 788,045.10/x
  3. Step 3: Cross multiply
    1,432,639.05x = 1,977,030.83 × 788,045.10
  4. Step 4: Simplify right side
    1,432,639.05x = 1,557,989,454,190.21
  5. Step 5: Solve for x
    x = 1,557,989,454,190.21/1,432,639.05
  6. Step 6: Final answer
    x = 1,087,496.15

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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.