Home / 1,294,416.47-1,785,898.79-750,443.66

Finding the Fourth Proportional to 1,294,416.47, 1,785,898.79 and 750,443.66

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Solution

The fourth proportional to 1,294,416.47, 1,785,898.79 and 750,443.66 is: 1,035,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,416.47 : 1,785,898.79 = 750,443.66 : x
  2. Step 2: Convert to fraction form
    1,294,416.47/1,785,898.79 = 750,443.66/x
  3. Step 3: Cross multiply
    1,294,416.47x = 1,785,898.79 × 750,443.66
  4. Step 4: Simplify right side
    1,294,416.47x = 1,340,216,417,303.79
  5. Step 5: Solve for x
    x = 1,340,216,417,303.79/1,294,416.47
  6. Step 6: Final answer
    x = 1,035,382.70

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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.