Home / 1,148,869.40-1,584,407.67-719,188.70

Finding the Fourth Proportional to 1,148,869.40, 1,584,407.67 and 719,188.70

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Solution

The fourth proportional to 1,148,869.40, 1,584,407.67 and 719,188.70 is: 991,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,869.40 : 1,584,407.67 = 719,188.70 : x
  2. Step 2: Convert to fraction form
    1,148,869.40/1,584,407.67 = 719,188.70/x
  3. Step 3: Cross multiply
    1,148,869.40x = 1,584,407.67 × 719,188.70
  4. Step 4: Simplify right side
    1,148,869.40x = 1,139,488,092,457.33
  5. Step 5: Solve for x
    x = 1,139,488,092,457.33/1,148,869.40
  6. Step 6: Final answer
    x = 991,834.31

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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.