Home / 1,557,080.80-2,335,966.80-715,429.60

Finding the Fourth Proportional to 1,557,080.80, 2,335,966.80 and 715,429.60

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Solution

The fourth proportional to 1,557,080.80, 2,335,966.80 and 715,429.60 is: 1,073,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,080.80 : 2,335,966.80 = 715,429.60 : x
  2. Step 2: Convert to fraction form
    1,557,080.80/2,335,966.80 = 715,429.60/x
  3. Step 3: Cross multiply
    1,557,080.80x = 2,335,966.80 × 715,429.60
  4. Step 4: Simplify right side
    1,557,080.80x = 1,671,219,793,337.28
  5. Step 5: Solve for x
    x = 1,671,219,793,337.28/1,557,080.80
  6. Step 6: Final answer
    x = 1,073,303.19

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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.