Home / 1,433,010.79-1,977,585.52-788,432.84

Finding the Fourth Proportional to 1,433,010.79, 1,977,585.52 and 788,432.84

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Solution

The fourth proportional to 1,433,010.79, 1,977,585.52 and 788,432.84 is: 1,088,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,010.79 : 1,977,585.52 = 788,432.84 : x
  2. Step 2: Convert to fraction form
    1,433,010.79/1,977,585.52 = 788,432.84/x
  3. Step 3: Cross multiply
    1,433,010.79x = 1,977,585.52 × 788,432.84
  4. Step 4: Simplify right side
    1,433,010.79x = 1,559,193,357,988.55
  5. Step 5: Solve for x
    x = 1,559,193,357,988.55/1,433,010.79
  6. Step 6: Final answer
    x = 1,088,054.17

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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.