Home / 1,423,152.24-1,963,946.52-778,570.80

Finding the Fourth Proportional to 1,423,152.24, 1,963,946.52 and 778,570.80

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Solution

The fourth proportional to 1,423,152.24, 1,963,946.52 and 778,570.80 is: 1,074,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,152.24 : 1,963,946.52 = 778,570.80 : x
  2. Step 2: Convert to fraction form
    1,423,152.24/1,963,946.52 = 778,570.80/x
  3. Step 3: Cross multiply
    1,423,152.24x = 1,963,946.52 × 778,570.80
  4. Step 4: Simplify right side
    1,423,152.24x = 1,529,071,413,233.62
  5. Step 5: Solve for x
    x = 1,529,071,413,233.62/1,423,152.24
  6. Step 6: Final answer
    x = 1,074,425.75

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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.