Home / 1,019,214.51-1,525,495.03-749,271.19

Finding the Fourth Proportional to 1,019,214.51, 1,525,495.03 and 749,271.19

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Solution

The fourth proportional to 1,019,214.51, 1,525,495.03 and 749,271.19 is: 1,121,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,214.51 : 1,525,495.03 = 749,271.19 : x
  2. Step 2: Convert to fraction form
    1,019,214.51/1,525,495.03 = 749,271.19/x
  3. Step 3: Cross multiply
    1,019,214.51x = 1,525,495.03 × 749,271.19
  4. Step 4: Simplify right side
    1,019,214.51x = 1,143,009,472,653.45
  5. Step 5: Solve for x
    x = 1,143,009,472,653.45/1,019,214.51
  6. Step 6: Final answer
    x = 1,121,461.15

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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.