Home / 1,572,356.10-2,358,534.15-1,005,485.70

Finding the Fourth Proportional to 1,572,356.10, 2,358,534.15 and 1,005,485.70

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Solution

The fourth proportional to 1,572,356.10, 2,358,534.15 and 1,005,485.70 is: 1,508,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,356.10 : 2,358,534.15 = 1,005,485.70 : x
  2. Step 2: Convert to fraction form
    1,572,356.10/2,358,534.15 = 1,005,485.70/x
  3. Step 3: Cross multiply
    1,572,356.10x = 2,358,534.15 × 1,005,485.70
  4. Step 4: Simplify right side
    1,572,356.10x = 2,371,472,360,786.65
  5. Step 5: Solve for x
    x = 2,371,472,360,786.65/1,572,356.10
  6. Step 6: Final answer
    x = 1,508,228.55

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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.