Home / 1,358,123.65-1,874,210.13-746,315.87

Finding the Fourth Proportional to 1,358,123.65, 1,874,210.13 and 746,315.87

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Solution

The fourth proportional to 1,358,123.65, 1,874,210.13 and 746,315.87 is: 1,029,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,123.65 : 1,874,210.13 = 746,315.87 : x
  2. Step 2: Convert to fraction form
    1,358,123.65/1,874,210.13 = 746,315.87/x
  3. Step 3: Cross multiply
    1,358,123.65x = 1,874,210.13 × 746,315.87
  4. Step 4: Simplify right side
    1,358,123.65x = 1,398,752,754,362.71
  5. Step 5: Solve for x
    x = 1,398,752,754,362.71/1,358,123.65
  6. Step 6: Final answer
    x = 1,029,915.62

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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.