Home / 1,357,038.01-1,872,861.90-776,314.68

Finding the Fourth Proportional to 1,357,038.01, 1,872,861.90 and 776,314.68

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Solution

The fourth proportional to 1,357,038.01, 1,872,861.90 and 776,314.68 is: 1,071,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,038.01 : 1,872,861.90 = 776,314.68 : x
  2. Step 2: Convert to fraction form
    1,357,038.01/1,872,861.90 = 776,314.68/x
  3. Step 3: Cross multiply
    1,357,038.01x = 1,872,861.90 × 776,314.68
  4. Step 4: Simplify right side
    1,357,038.01x = 1,453,930,191,549.90
  5. Step 5: Solve for x
    x = 1,453,930,191,549.90/1,357,038.01
  6. Step 6: Final answer
    x = 1,071,399.76

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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.