Home / 1,423,483.77-1,964,407.61-778,903.97

Finding the Fourth Proportional to 1,423,483.77, 1,964,407.61 and 778,903.97

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Solution

The fourth proportional to 1,423,483.77, 1,964,407.61 and 778,903.97 is: 1,074,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,483.77 : 1,964,407.61 = 778,903.97 : x
  2. Step 2: Convert to fraction form
    1,423,483.77/1,964,407.61 = 778,903.97/x
  3. Step 3: Cross multiply
    1,423,483.77x = 1,964,407.61 × 778,903.97
  4. Step 4: Simplify right side
    1,423,483.77x = 1,530,084,886,127.21
  5. Step 5: Solve for x
    x = 1,530,084,886,127.21/1,423,483.77
  6. Step 6: Final answer
    x = 1,074,887.48

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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.