Home / 1,090,073.25-1,502,742.06-766,779.93

Finding the Fourth Proportional to 1,090,073.25, 1,502,742.06 and 766,779.93

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Solution

The fourth proportional to 1,090,073.25, 1,502,742.06 and 766,779.93 is: 1,057,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,073.25 : 1,502,742.06 = 766,779.93 : x
  2. Step 2: Convert to fraction form
    1,090,073.25/1,502,742.06 = 766,779.93/x
  3. Step 3: Cross multiply
    1,090,073.25x = 1,502,742.06 × 766,779.93
  4. Step 4: Simplify right side
    1,090,073.25x = 1,152,272,451,574.86
  5. Step 5: Solve for x
    x = 1,152,272,451,574.86/1,090,073.25
  6. Step 6: Final answer
    x = 1,057,059.65

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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.