Home / 992,457.55-1,488,686.33-905,852.35

Finding the Fourth Proportional to 992,457.55, 1,488,686.33 and 905,852.35

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Solution

The fourth proportional to 992,457.55, 1,488,686.33 and 905,852.35 is: 1,358,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,457.55 : 1,488,686.33 = 905,852.35 : x
  2. Step 2: Convert to fraction form
    992,457.55/1,488,686.33 = 905,852.35/x
  3. Step 3: Cross multiply
    992,457.55x = 1,488,686.33 × 905,852.35
  4. Step 4: Simplify right side
    992,457.55x = 1,348,530,005,914.11
  5. Step 5: Solve for x
    x = 1,348,530,005,914.11/992,457.55
  6. Step 6: Final answer
    x = 1,358,778.53

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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.