Home / 1,345,411.15-1,855,159.02-1,099,633.19

Finding the Fourth Proportional to 1,345,411.15, 1,855,159.02 and 1,099,633.19

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Solution

The fourth proportional to 1,345,411.15, 1,855,159.02 and 1,099,633.19 is: 1,516,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,411.15 : 1,855,159.02 = 1,099,633.19 : x
  2. Step 2: Convert to fraction form
    1,345,411.15/1,855,159.02 = 1,099,633.19/x
  3. Step 3: Cross multiply
    1,345,411.15x = 1,855,159.02 × 1,099,633.19
  4. Step 4: Simplify right side
    1,345,411.15x = 2,039,994,421,844.08
  5. Step 5: Solve for x
    x = 2,039,994,421,844.08/1,345,411.15
  6. Step 6: Final answer
    x = 1,516,260.98

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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.