Home / 1,112,545.80-1,659,465.90-1,010,378.61

Finding the Fourth Proportional to 1,112,545.80, 1,659,465.90 and 1,010,378.61

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Solution

The fourth proportional to 1,112,545.80, 1,659,465.90 and 1,010,378.61 is: 1,507,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,545.80 : 1,659,465.90 = 1,010,378.61 : x
  2. Step 2: Convert to fraction form
    1,112,545.80/1,659,465.90 = 1,010,378.61/x
  3. Step 3: Cross multiply
    1,112,545.80x = 1,659,465.90 × 1,010,378.61
  4. Step 4: Simplify right side
    1,112,545.80x = 1,676,688,849,384.40
  5. Step 5: Solve for x
    x = 1,676,688,849,384.40/1,112,545.80
  6. Step 6: Final answer
    x = 1,507,074.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.