Home / 1,346,026.40-2,019,430.40-435,189.28

Finding the Fourth Proportional to 1,346,026.40, 2,019,430.40 and 435,189.28

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Solution

The fourth proportional to 1,346,026.40, 2,019,430.40 and 435,189.28 is: 652,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,026.40 : 2,019,430.40 = 435,189.28 : x
  2. Step 2: Convert to fraction form
    1,346,026.40/2,019,430.40 = 435,189.28/x
  3. Step 3: Cross multiply
    1,346,026.40x = 2,019,430.40 × 435,189.28
  4. Step 4: Simplify right side
    1,346,026.40x = 878,834,461,786.11
  5. Step 5: Solve for x
    x = 878,834,461,786.11/1,346,026.40
  6. Step 6: Final answer
    x = 652,910.27

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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.