Home / 751,603.36-1,128,675.12-745,797.28

Finding the Fourth Proportional to 751,603.36, 1,128,675.12 and 745,797.28

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Solution

The fourth proportional to 751,603.36, 1,128,675.12 and 745,797.28 is: 1,119,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,603.36 : 1,128,675.12 = 745,797.28 : x
  2. Step 2: Convert to fraction form
    751,603.36/1,128,675.12 = 745,797.28/x
  3. Step 3: Cross multiply
    751,603.36x = 1,128,675.12 × 745,797.28
  4. Step 4: Simplify right side
    751,603.36x = 841,762,834,499.67
  5. Step 5: Solve for x
    x = 841,762,834,499.67/751,603.36
  6. Step 6: Final answer
    x = 1,119,956.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.