Home / 1,557,070.80-2,335,606.20-916,717.20

Finding the Fourth Proportional to 1,557,070.80, 2,335,606.20 and 916,717.20

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Solution

The fourth proportional to 1,557,070.80, 2,335,606.20 and 916,717.20 is: 1,375,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,070.80 : 2,335,606.20 = 916,717.20 : x
  2. Step 2: Convert to fraction form
    1,557,070.80/2,335,606.20 = 916,717.20/x
  3. Step 3: Cross multiply
    1,557,070.80x = 2,335,606.20 × 916,717.20
  4. Step 4: Simplify right side
    1,557,070.80x = 2,141,090,375,966.64
  5. Step 5: Solve for x
    x = 2,141,090,375,966.64/1,557,070.80
  6. Step 6: Final answer
    x = 1,375,075.80

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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.