Home / 926,870.60-1,390,305.90-827,143.40

Finding the Fourth Proportional to 926,870.60, 1,390,305.90 and 827,143.40

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Solution

The fourth proportional to 926,870.60, 1,390,305.90 and 827,143.40 is: 1,240,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,870.60 : 1,390,305.90 = 827,143.40 : x
  2. Step 2: Convert to fraction form
    926,870.60/1,390,305.90 = 827,143.40/x
  3. Step 3: Cross multiply
    926,870.60x = 1,390,305.90 × 827,143.40
  4. Step 4: Simplify right side
    926,870.60x = 1,149,982,349,166.06
  5. Step 5: Solve for x
    x = 1,149,982,349,166.06/926,870.60
  6. Step 6: Final answer
    x = 1,240,715.10

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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.