Home / 1,105,613.40-1,658,429.37-306,957.23

Finding the Fourth Proportional to 1,105,613.40, 1,658,429.37 and 306,957.23

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Solution

The fourth proportional to 1,105,613.40, 1,658,429.37 and 306,957.23 is: 460,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,613.40 : 1,658,429.37 = 306,957.23 : x
  2. Step 2: Convert to fraction form
    1,105,613.40/1,658,429.37 = 306,957.23/x
  3. Step 3: Cross multiply
    1,105,613.40x = 1,658,429.37 × 306,957.23
  4. Step 4: Simplify right side
    1,105,613.40x = 509,066,877,273.70
  5. Step 5: Solve for x
    x = 509,066,877,273.70/1,105,613.40
  6. Step 6: Final answer
    x = 460,438.41

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Double scale
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1.5x scale

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.