Home / 1,501,012.40-2,071,394.35-812,684.16

Finding the Fourth Proportional to 1,501,012.40, 2,071,394.35 and 812,684.16

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Solution

The fourth proportional to 1,501,012.40, 2,071,394.35 and 812,684.16 is: 1,121,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,012.40 : 2,071,394.35 = 812,684.16 : x
  2. Step 2: Convert to fraction form
    1,501,012.40/2,071,394.35 = 812,684.16/x
  3. Step 3: Cross multiply
    1,501,012.40x = 2,071,394.35 × 812,684.16
  4. Step 4: Simplify right side
    1,501,012.40x = 1,683,389,375,326.79
  5. Step 5: Solve for x
    x = 1,683,389,375,326.79/1,501,012.40
  6. Step 6: Final answer
    x = 1,121,502.65

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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.