Home / 1,432,931.73-1,977,445.69-788,338.07

Finding the Fourth Proportional to 1,432,931.73, 1,977,445.69 and 788,338.07

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Solution

The fourth proportional to 1,432,931.73, 1,977,445.69 and 788,338.07 is: 1,087,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,931.73 : 1,977,445.69 = 788,338.07 : x
  2. Step 2: Convert to fraction form
    1,432,931.73/1,977,445.69 = 788,338.07/x
  3. Step 3: Cross multiply
    1,432,931.73x = 1,977,445.69 × 788,338.07
  4. Step 4: Simplify right side
    1,432,931.73x = 1,558,895,718,784.42
  5. Step 5: Solve for x
    x = 1,558,895,718,784.42/1,432,931.73
  6. Step 6: Final answer
    x = 1,087,906.48

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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.