Home / 1,715,391-2,365,689.78-1,070,870.76

Finding the Fourth Proportional to 1,715,391, 2,365,689.78 and 1,070,870.76

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Solution

The fourth proportional to 1,715,391, 2,365,689.78 and 1,070,870.76 is: 1,476,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,391 : 2,365,689.78 = 1,070,870.76 : x
  2. Step 2: Convert to fraction form
    1,715,391/2,365,689.78 = 1,070,870.76/x
  3. Step 3: Cross multiply
    1,715,391x = 2,365,689.78 × 1,070,870.76
  4. Step 4: Simplify right side
    1,715,391x = 2,533,348,012,632.83
  5. Step 5: Solve for x
    x = 2,533,348,012,632.83/1,715,391
  6. Step 6: Final answer
    x = 1,476,834.15

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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.