Home / 1,314,391.68-1,814,141.52-830,648.16

Finding the Fourth Proportional to 1,314,391.68, 1,814,141.52 and 830,648.16

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Solution

The fourth proportional to 1,314,391.68, 1,814,141.52 and 830,648.16 is: 1,146,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,391.68 : 1,814,141.52 = 830,648.16 : x
  2. Step 2: Convert to fraction form
    1,314,391.68/1,814,141.52 = 830,648.16/x
  3. Step 3: Cross multiply
    1,314,391.68x = 1,814,141.52 × 830,648.16
  4. Step 4: Simplify right side
    1,314,391.68x = 1,506,913,315,567.60
  5. Step 5: Solve for x
    x = 1,506,913,315,567.60/1,314,391.68
  6. Step 6: Final answer
    x = 1,146,472.04

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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.