Home / 1,433,012.54-1,977,587.94-788,434.58

Finding the Fourth Proportional to 1,433,012.54, 1,977,587.94 and 788,434.58

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Solution

The fourth proportional to 1,433,012.54, 1,977,587.94 and 788,434.58 is: 1,088,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,012.54 : 1,977,587.94 = 788,434.58 : x
  2. Step 2: Convert to fraction form
    1,433,012.54/1,977,587.94 = 788,434.58/x
  3. Step 3: Cross multiply
    1,433,012.54x = 1,977,587.94 × 788,434.58
  4. Step 4: Simplify right side
    1,433,012.54x = 1,559,198,716,886.97
  5. Step 5: Solve for x
    x = 1,559,198,716,886.97/1,433,012.54
  6. Step 6: Final answer
    x = 1,088,056.58

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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.