Home / 1,312,653.70-1,811,451.37-731,869.93

Finding the Fourth Proportional to 1,312,653.70, 1,811,451.37 and 731,869.93

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Solution

The fourth proportional to 1,312,653.70, 1,811,451.37 and 731,869.93 is: 1,009,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,653.70 : 1,811,451.37 = 731,869.93 : x
  2. Step 2: Convert to fraction form
    1,312,653.70/1,811,451.37 = 731,869.93/x
  3. Step 3: Cross multiply
    1,312,653.70x = 1,811,451.37 × 731,869.93
  4. Step 4: Simplify right side
    1,312,653.70x = 1,325,746,787,360.30
  5. Step 5: Solve for x
    x = 1,325,746,787,360.30/1,312,653.70
  6. Step 6: Final answer
    x = 1,009,974.52

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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.