Home / 1,676,140.50-2,312,670.51-987,839.76

Finding the Fourth Proportional to 1,676,140.50, 2,312,670.51 and 987,839.76

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Solution

The fourth proportional to 1,676,140.50, 2,312,670.51 and 987,839.76 is: 1,362,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,140.50 : 2,312,670.51 = 987,839.76 : x
  2. Step 2: Convert to fraction form
    1,676,140.50/2,312,670.51 = 987,839.76/x
  3. Step 3: Cross multiply
    1,676,140.50x = 2,312,670.51 × 987,839.76
  4. Step 4: Simplify right side
    1,676,140.50x = 2,284,547,881,557.48
  5. Step 5: Solve for x
    x = 2,284,547,881,557.48/1,676,140.50
  6. Step 6: Final answer
    x = 1,362,981.14

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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.