Home / 1,402,700.78-1,935,688.35-790,848.18

Finding the Fourth Proportional to 1,402,700.78, 1,935,688.35 and 790,848.18

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Solution

The fourth proportional to 1,402,700.78, 1,935,688.35 and 790,848.18 is: 1,091,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,700.78 : 1,935,688.35 = 790,848.18 : x
  2. Step 2: Convert to fraction form
    1,402,700.78/1,935,688.35 = 790,848.18/x
  3. Step 3: Cross multiply
    1,402,700.78x = 1,935,688.35 × 790,848.18
  4. Step 4: Simplify right side
    1,402,700.78x = 1,530,835,611,610.38
  5. Step 5: Solve for x
    x = 1,530,835,611,610.38/1,402,700.78
  6. Step 6: Final answer
    x = 1,091,348.65

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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.