Home / 1,224,853.86-1,690,298.94-708,678.12

Finding the Fourth Proportional to 1,224,853.86, 1,690,298.94 and 708,678.12

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Solution

The fourth proportional to 1,224,853.86, 1,690,298.94 and 708,678.12 is: 977,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,853.86 : 1,690,298.94 = 708,678.12 : x
  2. Step 2: Convert to fraction form
    1,224,853.86/1,690,298.94 = 708,678.12/x
  3. Step 3: Cross multiply
    1,224,853.86x = 1,690,298.94 × 708,678.12
  4. Step 4: Simplify right side
    1,224,853.86x = 1,197,877,875,037.19
  5. Step 5: Solve for x
    x = 1,197,877,875,037.19/1,224,853.86
  6. Step 6: Final answer
    x = 977,976.16

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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.