Home / 1,009,303.20-1,392,840.72-556,590.24

Finding the Fourth Proportional to 1,009,303.20, 1,392,840.72 and 556,590.24

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Solution

The fourth proportional to 1,009,303.20, 1,392,840.72 and 556,590.24 is: 768,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,303.20 : 1,392,840.72 = 556,590.24 : x
  2. Step 2: Convert to fraction form
    1,009,303.20/1,392,840.72 = 556,590.24/x
  3. Step 3: Cross multiply
    1,009,303.20x = 1,392,840.72 × 556,590.24
  4. Step 4: Simplify right side
    1,009,303.20x = 775,241,550,626.57
  5. Step 5: Solve for x
    x = 775,241,550,626.57/1,009,303.20
  6. Step 6: Final answer
    x = 768,095.80

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Double scale
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1.5x scale

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.