Home / 1,407,995.07-2,111,886.40-448,411.90

Finding the Fourth Proportional to 1,407,995.07, 2,111,886.40 and 448,411.90

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Solution

The fourth proportional to 1,407,995.07, 2,111,886.40 and 448,411.90 is: 672,584.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,995.07 : 2,111,886.40 = 448,411.90 : x
  2. Step 2: Convert to fraction form
    1,407,995.07/2,111,886.40 = 448,411.90/x
  3. Step 3: Cross multiply
    1,407,995.07x = 2,111,886.40 × 448,411.90
  4. Step 4: Simplify right side
    1,407,995.07x = 946,994,980,406.67
  5. Step 5: Solve for x
    x = 946,994,980,406.67/1,407,995.07
  6. Step 6: Final answer
    x = 672,584.02

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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.