Home / 1,429,779.27-1,973,088.26-776,399.47

Finding the Fourth Proportional to 1,429,779.27, 1,973,088.26 and 776,399.47

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Solution

The fourth proportional to 1,429,779.27, 1,973,088.26 and 776,399.47 is: 1,071,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,779.27 : 1,973,088.26 = 776,399.47 : x
  2. Step 2: Convert to fraction form
    1,429,779.27/1,973,088.26 = 776,399.47/x
  3. Step 3: Cross multiply
    1,429,779.27x = 1,973,088.26 × 776,399.47
  4. Step 4: Simplify right side
    1,429,779.27x = 1,531,904,676,789.69
  5. Step 5: Solve for x
    x = 1,531,904,676,789.69/1,429,779.27
  6. Step 6: Final answer
    x = 1,071,427.39

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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.