Home / 1,127,688.24-1,556,113.50-637,633.74

Finding the Fourth Proportional to 1,127,688.24, 1,556,113.50 and 637,633.74

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Solution

The fourth proportional to 1,127,688.24, 1,556,113.50 and 637,633.74 is: 879,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,688.24 : 1,556,113.50 = 637,633.74 : x
  2. Step 2: Convert to fraction form
    1,127,688.24/1,556,113.50 = 637,633.74/x
  3. Step 3: Cross multiply
    1,127,688.24x = 1,556,113.50 × 637,633.74
  4. Step 4: Simplify right side
    1,127,688.24x = 992,230,470,869.49
  5. Step 5: Solve for x
    x = 992,230,470,869.49/1,127,688.24
  6. Step 6: Final answer
    x = 879,880.13

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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.