Home / 1,359,382.86-1,875,996.54-747,582.21

Finding the Fourth Proportional to 1,359,382.86, 1,875,996.54 and 747,582.21

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Solution

The fourth proportional to 1,359,382.86, 1,875,996.54 and 747,582.21 is: 1,031,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,382.86 : 1,875,996.54 = 747,582.21 : x
  2. Step 2: Convert to fraction form
    1,359,382.86/1,875,996.54 = 747,582.21/x
  3. Step 3: Cross multiply
    1,359,382.86x = 1,875,996.54 × 747,582.21
  4. Step 4: Simplify right side
    1,359,382.86x = 1,402,461,639,325.55
  5. Step 5: Solve for x
    x = 1,402,461,639,325.55/1,359,382.86
  6. Step 6: Final answer
    x = 1,031,689.95

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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.