Home / 1,430,155.70-2,145,233.55-432,883.70

Finding the Fourth Proportional to 1,430,155.70, 2,145,233.55 and 432,883.70

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Solution

The fourth proportional to 1,430,155.70, 2,145,233.55 and 432,883.70 is: 649,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,155.70 : 2,145,233.55 = 432,883.70 : x
  2. Step 2: Convert to fraction form
    1,430,155.70/2,145,233.55 = 432,883.70/x
  3. Step 3: Cross multiply
    1,430,155.70x = 2,145,233.55 × 432,883.70
  4. Step 4: Simplify right side
    1,430,155.70x = 928,636,636,488.14
  5. Step 5: Solve for x
    x = 928,636,636,488.14/1,430,155.70
  6. Step 6: Final answer
    x = 649,325.55

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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.