Home / 1,249,212.58-1,873,818.60-681,071.50

Finding the Fourth Proportional to 1,249,212.58, 1,873,818.60 and 681,071.50

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Solution

The fourth proportional to 1,249,212.58, 1,873,818.60 and 681,071.50 is: 1,021,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,212.58 : 1,873,818.60 = 681,071.50 : x
  2. Step 2: Convert to fraction form
    1,249,212.58/1,873,818.60 = 681,071.50/x
  3. Step 3: Cross multiply
    1,249,212.58x = 1,873,818.60 × 681,071.50
  4. Step 4: Simplify right side
    1,249,212.58x = 1,276,204,438,068.77
  5. Step 5: Solve for x
    x = 1,276,204,438,068.77/1,249,212.58
  6. Step 6: Final answer
    x = 1,021,607.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.