Home / 1,539,427.38-2,124,347.04-851,055.45

Finding the Fourth Proportional to 1,539,427.38, 2,124,347.04 and 851,055.45

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Solution

The fourth proportional to 1,539,427.38, 2,124,347.04 and 851,055.45 is: 1,174,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,427.38 : 2,124,347.04 = 851,055.45 : x
  2. Step 2: Convert to fraction form
    1,539,427.38/2,124,347.04 = 851,055.45/x
  3. Step 3: Cross multiply
    1,539,427.38x = 2,124,347.04 × 851,055.45
  4. Step 4: Simplify right side
    1,539,427.38x = 1,807,937,126,083.37
  5. Step 5: Solve for x
    x = 1,807,937,126,083.37/1,539,427.38
  6. Step 6: Final answer
    x = 1,174,421.83

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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.