Home / 1,445,411.80-2,168,117.70-1,356,838.30

Finding the Fourth Proportional to 1,445,411.80, 2,168,117.70 and 1,356,838.30

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Solution

The fourth proportional to 1,445,411.80, 2,168,117.70 and 1,356,838.30 is: 2,035,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,411.80 : 2,168,117.70 = 1,356,838.30 : x
  2. Step 2: Convert to fraction form
    1,445,411.80/2,168,117.70 = 1,356,838.30/x
  3. Step 3: Cross multiply
    1,445,411.80x = 2,168,117.70 × 1,356,838.30
  4. Step 4: Simplify right side
    1,445,411.80x = 2,941,785,134,267.91
  5. Step 5: Solve for x
    x = 2,941,785,134,267.91/1,445,411.80
  6. Step 6: Final answer
    x = 2,035,257.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.