Home / 1,537,870.68-2,122,259.94-858,807.72

Finding the Fourth Proportional to 1,537,870.68, 2,122,259.94 and 858,807.72

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Solution

The fourth proportional to 1,537,870.68, 2,122,259.94 and 858,807.72 is: 1,185,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,870.68 : 2,122,259.94 = 858,807.72 : x
  2. Step 2: Convert to fraction form
    1,537,870.68/2,122,259.94 = 858,807.72/x
  3. Step 3: Cross multiply
    1,537,870.68x = 2,122,259.94 × 858,807.72
  4. Step 4: Simplify right side
    1,537,870.68x = 1,822,613,220,318.74
  5. Step 5: Solve for x
    x = 1,822,613,220,318.74/1,537,870.68
  6. Step 6: Final answer
    x = 1,185,153.76

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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.