Home / 1,130,574.60-1,560,279.72-647,291.32

Finding the Fourth Proportional to 1,130,574.60, 1,560,279.72 and 647,291.32

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Solution

The fourth proportional to 1,130,574.60, 1,560,279.72 and 647,291.32 is: 893,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,574.60 : 1,560,279.72 = 647,291.32 : x
  2. Step 2: Convert to fraction form
    1,130,574.60/1,560,279.72 = 647,291.32/x
  3. Step 3: Cross multiply
    1,130,574.60x = 1,560,279.72 × 647,291.32
  4. Step 4: Simplify right side
    1,130,574.60x = 1,009,955,519,528.03
  5. Step 5: Solve for x
    x = 1,009,955,519,528.03/1,130,574.60
  6. Step 6: Final answer
    x = 893,311.70

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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.