Home / 1,406,455.12-1,940,917.40-761,875.34

Finding the Fourth Proportional to 1,406,455.12, 1,940,917.40 and 761,875.34

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Solution

The fourth proportional to 1,406,455.12, 1,940,917.40 and 761,875.34 is: 1,051,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,455.12 : 1,940,917.40 = 761,875.34 : x
  2. Step 2: Convert to fraction form
    1,406,455.12/1,940,917.40 = 761,875.34/x
  3. Step 3: Cross multiply
    1,406,455.12x = 1,940,917.40 × 761,875.34
  4. Step 4: Simplify right side
    1,406,455.12x = 1,478,737,104,036.92
  5. Step 5: Solve for x
    x = 1,478,737,104,036.92/1,406,455.12
  6. Step 6: Final answer
    x = 1,051,393.03

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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.