Home / 1,688,218.32-2,329,963.17-962,899.77

Finding the Fourth Proportional to 1,688,218.32, 2,329,963.17 and 962,899.77

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Solution

The fourth proportional to 1,688,218.32, 2,329,963.17 and 962,899.77 is: 1,328,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,218.32 : 2,329,963.17 = 962,899.77 : x
  2. Step 2: Convert to fraction form
    1,688,218.32/2,329,963.17 = 962,899.77/x
  3. Step 3: Cross multiply
    1,688,218.32x = 2,329,963.17 × 962,899.77
  4. Step 4: Simplify right side
    1,688,218.32x = 2,243,521,000,501.47
  5. Step 5: Solve for x
    x = 2,243,521,000,501.47/1,688,218.32
  6. Step 6: Final answer
    x = 1,328,928.24

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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.