Home / 1,020,211.40-1,530,252.30-346,291.40

Finding the Fourth Proportional to 1,020,211.40, 1,530,252.30 and 346,291.40

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Solution

The fourth proportional to 1,020,211.40, 1,530,252.30 and 346,291.40 is: 519,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,211.40 : 1,530,252.30 = 346,291.40 : x
  2. Step 2: Convert to fraction form
    1,020,211.40/1,530,252.30 = 346,291.40/x
  3. Step 3: Cross multiply
    1,020,211.40x = 1,530,252.30 × 346,291.40
  4. Step 4: Simplify right side
    1,020,211.40x = 529,913,211,320.22
  5. Step 5: Solve for x
    x = 529,913,211,320.22/1,020,211.40
  6. Step 6: Final answer
    x = 519,415.10

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Double scale
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Similar ratio
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1.5x scale

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.