Home / 1,312,259.67-1,810,924.70-739,308.87

Finding the Fourth Proportional to 1,312,259.67, 1,810,924.70 and 739,308.87

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Solution

The fourth proportional to 1,312,259.67, 1,810,924.70 and 739,308.87 is: 1,020,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,259.67 : 1,810,924.70 = 739,308.87 : x
  2. Step 2: Convert to fraction form
    1,312,259.67/1,810,924.70 = 739,308.87/x
  3. Step 3: Cross multiply
    1,312,259.67x = 1,810,924.70 × 739,308.87
  4. Step 4: Simplify right side
    1,312,259.67x = 1,338,832,689,915.54
  5. Step 5: Solve for x
    x = 1,338,832,689,915.54/1,312,259.67
  6. Step 6: Final answer
    x = 1,020,249.82

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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.