Home / 1,423,089.59-1,963,879.13-778,495.94

Finding the Fourth Proportional to 1,423,089.59, 1,963,879.13 and 778,495.94

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Solution

The fourth proportional to 1,423,089.59, 1,963,879.13 and 778,495.94 is: 1,074,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,089.59 : 1,963,879.13 = 778,495.94 : x
  2. Step 2: Convert to fraction form
    1,423,089.59/1,963,879.13 = 778,495.94/x
  3. Step 3: Cross multiply
    1,423,089.59x = 1,963,879.13 × 778,495.94
  4. Step 4: Simplify right side
    1,423,089.59x = 1,528,871,929,355.73
  5. Step 5: Solve for x
    x = 1,528,871,929,355.73/1,423,089.59
  6. Step 6: Final answer
    x = 1,074,332.87

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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.