Home / 1,275,779.66-1,913,722.94-476,980.34

Finding the Fourth Proportional to 1,275,779.66, 1,913,722.94 and 476,980.34

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Solution

The fourth proportional to 1,275,779.66, 1,913,722.94 and 476,980.34 is: 715,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,779.66 : 1,913,722.94 = 476,980.34 : x
  2. Step 2: Convert to fraction form
    1,275,779.66/1,913,722.94 = 476,980.34/x
  3. Step 3: Cross multiply
    1,275,779.66x = 1,913,722.94 × 476,980.34
  4. Step 4: Simplify right side
    1,275,779.66x = 912,808,210,210.84
  5. Step 5: Solve for x
    x = 912,808,210,210.84/1,275,779.66
  6. Step 6: Final answer
    x = 715,490.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.