Home / 1,316,535.30-1,971,610.54-910,588.21

Finding the Fourth Proportional to 1,316,535.30, 1,971,610.54 and 910,588.21

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Solution

The fourth proportional to 1,316,535.30, 1,971,610.54 and 910,588.21 is: 1,363,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,535.30 : 1,971,610.54 = 910,588.21 : x
  2. Step 2: Convert to fraction form
    1,316,535.30/1,971,610.54 = 910,588.21/x
  3. Step 3: Cross multiply
    1,316,535.30x = 1,971,610.54 × 910,588.21
  4. Step 4: Simplify right side
    1,316,535.30x = 1,795,325,312,435.73
  5. Step 5: Solve for x
    x = 1,795,325,312,435.73/1,316,535.30
  6. Step 6: Final answer
    x = 1,363,674.27

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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.