Home / 1,448,349.15-1,998,259.47-836,421.11

Finding the Fourth Proportional to 1,448,349.15, 1,998,259.47 and 836,421.11

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Solution

The fourth proportional to 1,448,349.15, 1,998,259.47 and 836,421.11 is: 1,153,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,349.15 : 1,998,259.47 = 836,421.11 : x
  2. Step 2: Convert to fraction form
    1,448,349.15/1,998,259.47 = 836,421.11/x
  3. Step 3: Cross multiply
    1,448,349.15x = 1,998,259.47 × 836,421.11
  4. Step 4: Simplify right side
    1,448,349.15x = 1,671,386,393,974.11
  5. Step 5: Solve for x
    x = 1,671,386,393,974.11/1,448,349.15
  6. Step 6: Final answer
    x = 1,153,994.11

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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.