Home / 1,203,569.40-1,803,139.74-754,206.52

Finding the Fourth Proportional to 1,203,569.40, 1,803,139.74 and 754,206.52

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Solution

The fourth proportional to 1,203,569.40, 1,803,139.74 and 754,206.52 is: 1,129,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,569.40 : 1,803,139.74 = 754,206.52 : x
  2. Step 2: Convert to fraction form
    1,203,569.40/1,803,139.74 = 754,206.52/x
  3. Step 3: Cross multiply
    1,203,569.40x = 1,803,139.74 × 754,206.52
  4. Step 4: Simplify right side
    1,203,569.40x = 1,359,939,748,379.10
  5. Step 5: Solve for x
    x = 1,359,939,748,379.10/1,203,569.40
  6. Step 6: Final answer
    x = 1,129,922.17

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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.