Home / 1,557,880.40-2,336,820.60-802,053.20

Finding the Fourth Proportional to 1,557,880.40, 2,336,820.60 and 802,053.20

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Solution

The fourth proportional to 1,557,880.40, 2,336,820.60 and 802,053.20 is: 1,203,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,880.40 : 2,336,820.60 = 802,053.20 : x
  2. Step 2: Convert to fraction form
    1,557,880.40/2,336,820.60 = 802,053.20/x
  3. Step 3: Cross multiply
    1,557,880.40x = 2,336,820.60 × 802,053.20
  4. Step 4: Simplify right side
    1,557,880.40x = 1,874,254,440,055.92
  5. Step 5: Solve for x
    x = 1,874,254,440,055.92/1,557,880.40
  6. Step 6: Final answer
    x = 1,203,079.80

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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.