Home / 1,448,805.70-2,173,208.55-913,428.10

Finding the Fourth Proportional to 1,448,805.70, 2,173,208.55 and 913,428.10

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Solution

The fourth proportional to 1,448,805.70, 2,173,208.55 and 913,428.10 is: 1,370,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,805.70 : 2,173,208.55 = 913,428.10 : x
  2. Step 2: Convert to fraction form
    1,448,805.70/2,173,208.55 = 913,428.10/x
  3. Step 3: Cross multiply
    1,448,805.70x = 2,173,208.55 × 913,428.10
  4. Step 4: Simplify right side
    1,448,805.70x = 1,985,069,756,730.26
  5. Step 5: Solve for x
    x = 1,985,069,756,730.26/1,448,805.70
  6. Step 6: Final answer
    x = 1,370,142.15

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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.