Home / 1,423,217.57-1,964,062.37-778,648.52

Finding the Fourth Proportional to 1,423,217.57, 1,964,062.37 and 778,648.52

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Solution

The fourth proportional to 1,423,217.57, 1,964,062.37 and 778,648.52 is: 1,074,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,217.57 : 1,964,062.37 = 778,648.52 : x
  2. Step 2: Convert to fraction form
    1,423,217.57/1,964,062.37 = 778,648.52/x
  3. Step 3: Cross multiply
    1,423,217.57x = 1,964,062.37 × 778,648.52
  4. Step 4: Simplify right side
    1,423,217.57x = 1,529,314,264,444.97
  5. Step 5: Solve for x
    x = 1,529,314,264,444.97/1,423,217.57
  6. Step 6: Final answer
    x = 1,074,547.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.