Home / 1,812,681-2,501,499.78-1,007,865

Finding the Fourth Proportional to 1,812,681, 2,501,499.78 and 1,007,865

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Solution

The fourth proportional to 1,812,681, 2,501,499.78 and 1,007,865 is: 1,390,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,681 : 2,501,499.78 = 1,007,865 : x
  2. Step 2: Convert to fraction form
    1,812,681/2,501,499.78 = 1,007,865/x
  3. Step 3: Cross multiply
    1,812,681x = 2,501,499.78 × 1,007,865
  4. Step 4: Simplify right side
    1,812,681x = 2,521,174,075,769.70
  5. Step 5: Solve for x
    x = 2,521,174,075,769.70/1,812,681
  6. Step 6: Final answer
    x = 1,390,853.70

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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.