Home / 1,509,572.75-2,083,210.40-830,494.67

Finding the Fourth Proportional to 1,509,572.75, 2,083,210.40 and 830,494.67

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Solution

The fourth proportional to 1,509,572.75, 2,083,210.40 and 830,494.67 is: 1,146,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,572.75 : 2,083,210.40 = 830,494.67 : x
  2. Step 2: Convert to fraction form
    1,509,572.75/2,083,210.40 = 830,494.67/x
  3. Step 3: Cross multiply
    1,509,572.75x = 2,083,210.40 × 830,494.67
  4. Step 4: Simplify right side
    1,509,572.75x = 1,730,095,133,688.57
  5. Step 5: Solve for x
    x = 1,730,095,133,688.57/1,509,572.75
  6. Step 6: Final answer
    x = 1,146,082.65

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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.