Home / 1,418,339.50-1,957,308.51-909,041.88

Finding the Fourth Proportional to 1,418,339.50, 1,957,308.51 and 909,041.88

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Solution

The fourth proportional to 1,418,339.50, 1,957,308.51 and 909,041.88 is: 1,254,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,339.50 : 1,957,308.51 = 909,041.88 : x
  2. Step 2: Convert to fraction form
    1,418,339.50/1,957,308.51 = 909,041.88/x
  3. Step 3: Cross multiply
    1,418,339.50x = 1,957,308.51 × 909,041.88
  4. Step 4: Simplify right side
    1,418,339.50x = 1,779,275,407,670.40
  5. Step 5: Solve for x
    x = 1,779,275,407,670.40/1,418,339.50
  6. Step 6: Final answer
    x = 1,254,477.79

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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.