Home / 1,312,428-1,811,937.96-860,506.32

Finding the Fourth Proportional to 1,312,428, 1,811,937.96 and 860,506.32

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Solution

The fourth proportional to 1,312,428, 1,811,937.96 and 860,506.32 is: 1,188,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,428 : 1,811,937.96 = 860,506.32 : x
  2. Step 2: Convert to fraction form
    1,312,428/1,811,937.96 = 860,506.32/x
  3. Step 3: Cross multiply
    1,312,428x = 1,811,937.96 × 860,506.32
  4. Step 4: Simplify right side
    1,312,428x = 1,559,184,066,027.91
  5. Step 5: Solve for x
    x = 1,559,184,066,027.91/1,312,428
  6. Step 6: Final answer
    x = 1,188,014.94

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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.