Home / 1,249,703.64-1,724,583.15-676,742.85

Finding the Fourth Proportional to 1,249,703.64, 1,724,583.15 and 676,742.85

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Solution

The fourth proportional to 1,249,703.64, 1,724,583.15 and 676,742.85 is: 933,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,703.64 : 1,724,583.15 = 676,742.85 : x
  2. Step 2: Convert to fraction form
    1,249,703.64/1,724,583.15 = 676,742.85/x
  3. Step 3: Cross multiply
    1,249,703.64x = 1,724,583.15 × 676,742.85
  4. Step 4: Simplify right side
    1,249,703.64x = 1,167,099,315,992.98
  5. Step 5: Solve for x
    x = 1,167,099,315,992.98/1,249,703.64
  6. Step 6: Final answer
    x = 933,900.87

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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.