Home / 1,318,945.63-1,976,886.99-607,480.51

Finding the Fourth Proportional to 1,318,945.63, 1,976,886.99 and 607,480.51

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Solution

The fourth proportional to 1,318,945.63, 1,976,886.99 and 607,480.51 is: 910,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,945.63 : 1,976,886.99 = 607,480.51 : x
  2. Step 2: Convert to fraction form
    1,318,945.63/1,976,886.99 = 607,480.51/x
  3. Step 3: Cross multiply
    1,318,945.63x = 1,976,886.99 × 607,480.51
  4. Step 4: Simplify right side
    1,318,945.63x = 1,200,920,316,897.57
  5. Step 5: Solve for x
    x = 1,200,920,316,897.57/1,318,945.63
  6. Step 6: Final answer
    x = 910,515.41

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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.