Home / 1,312,048.76-1,968,284.03-459,101.34

Finding the Fourth Proportional to 1,312,048.76, 1,968,284.03 and 459,101.34

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Solution

The fourth proportional to 1,312,048.76, 1,968,284.03 and 459,101.34 is: 688,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,048.76 : 1,968,284.03 = 459,101.34 : x
  2. Step 2: Convert to fraction form
    1,312,048.76/1,968,284.03 = 459,101.34/x
  3. Step 3: Cross multiply
    1,312,048.76x = 1,968,284.03 × 459,101.34
  4. Step 4: Simplify right side
    1,312,048.76x = 903,641,833,378.09
  5. Step 5: Solve for x
    x = 903,641,833,378.09/1,312,048.76
  6. Step 6: Final answer
    x = 688,725.80

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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.