Home / 977,430.51-1,472,804.93-803,826.45

Finding the Fourth Proportional to 977,430.51, 1,472,804.93 and 803,826.45

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Solution

The fourth proportional to 977,430.51, 1,472,804.93 and 803,826.45 is: 1,211,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,430.51 : 1,472,804.93 = 803,826.45 : x
  2. Step 2: Convert to fraction form
    977,430.51/1,472,804.93 = 803,826.45/x
  3. Step 3: Cross multiply
    977,430.51x = 1,472,804.93 × 803,826.45
  4. Step 4: Simplify right side
    977,430.51x = 1,183,879,560,433.96
  5. Step 5: Solve for x
    x = 1,183,879,560,433.96/977,430.51
  6. Step 6: Final answer
    x = 1,211,216.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.