Home / 1,240,721.07-1,860,064.50-441,547.53

Finding the Fourth Proportional to 1,240,721.07, 1,860,064.50 and 441,547.53

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Solution

The fourth proportional to 1,240,721.07, 1,860,064.50 and 441,547.53 is: 661,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,721.07 : 1,860,064.50 = 441,547.53 : x
  2. Step 2: Convert to fraction form
    1,240,721.07/1,860,064.50 = 441,547.53/x
  3. Step 3: Cross multiply
    1,240,721.07x = 1,860,064.50 × 441,547.53
  4. Step 4: Simplify right side
    1,240,721.07x = 821,306,885,615.69
  5. Step 5: Solve for x
    x = 821,306,885,615.69/1,240,721.07
  6. Step 6: Final answer
    x = 661,959.33

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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.