Home / 1,423,034.55-1,963,771.74-778,447.08

Finding the Fourth Proportional to 1,423,034.55, 1,963,771.74 and 778,447.08

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Solution

The fourth proportional to 1,423,034.55, 1,963,771.74 and 778,447.08 is: 1,074,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,034.55 : 1,963,771.74 = 778,447.08 : x
  2. Step 2: Convert to fraction form
    1,423,034.55/1,963,771.74 = 778,447.08/x
  3. Step 3: Cross multiply
    1,423,034.55x = 1,963,771.74 × 778,447.08
  4. Step 4: Simplify right side
    1,423,034.55x = 1,528,692,376,789.52
  5. Step 5: Solve for x
    x = 1,528,692,376,789.52/1,423,034.55
  6. Step 6: Final answer
    x = 1,074,248.25

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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.