Home / 1,671,287.51-2,506,291.49-711,142.53

Finding the Fourth Proportional to 1,671,287.51, 2,506,291.49 and 711,142.53

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Solution

The fourth proportional to 1,671,287.51, 2,506,291.49 and 711,142.53 is: 1,066,441.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,287.51 : 2,506,291.49 = 711,142.53 : x
  2. Step 2: Convert to fraction form
    1,671,287.51/2,506,291.49 = 711,142.53/x
  3. Step 3: Cross multiply
    1,671,287.51x = 2,506,291.49 × 711,142.53
  4. Step 4: Simplify right side
    1,671,287.51x = 1,782,330,467,560.36
  5. Step 5: Solve for x
    x = 1,782,330,467,560.36/1,671,287.51
  6. Step 6: Final answer
    x = 1,066,441.57

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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.