Home / 1,423,483.52-1,964,407.26-778,903.72

Finding the Fourth Proportional to 1,423,483.52, 1,964,407.26 and 778,903.72

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Solution

The fourth proportional to 1,423,483.52, 1,964,407.26 and 778,903.72 is: 1,074,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,483.52 : 1,964,407.26 = 778,903.72 : x
  2. Step 2: Convert to fraction form
    1,423,483.52/1,964,407.26 = 778,903.72/x
  3. Step 3: Cross multiply
    1,423,483.52x = 1,964,407.26 × 778,903.72
  4. Step 4: Simplify right side
    1,423,483.52x = 1,530,084,122,409.01
  5. Step 5: Solve for x
    x = 1,530,084,122,409.01/1,423,483.52
  6. Step 6: Final answer
    x = 1,074,887.13

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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.