Home / 1,318,701.96-1,819,848.33-745,730.64

Finding the Fourth Proportional to 1,318,701.96, 1,819,848.33 and 745,730.64

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Solution

The fourth proportional to 1,318,701.96, 1,819,848.33 and 745,730.64 is: 1,029,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,701.96 : 1,819,848.33 = 745,730.64 : x
  2. Step 2: Convert to fraction form
    1,318,701.96/1,819,848.33 = 745,730.64/x
  3. Step 3: Cross multiply
    1,318,701.96x = 1,819,848.33 × 745,730.64
  4. Step 4: Simplify right side
    1,318,701.96x = 1,357,116,659,833.83
  5. Step 5: Solve for x
    x = 1,357,116,659,833.83/1,318,701.96
  6. Step 6: Final answer
    x = 1,029,130.69

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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.