Home / 1,312,402.16-1,811,114.61-708,790.16

Finding the Fourth Proportional to 1,312,402.16, 1,811,114.61 and 708,790.16

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Solution

The fourth proportional to 1,312,402.16, 1,811,114.61 and 708,790.16 is: 978,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,402.16 : 1,811,114.61 = 708,790.16 : x
  2. Step 2: Convert to fraction form
    1,312,402.16/1,811,114.61 = 708,790.16/x
  3. Step 3: Cross multiply
    1,312,402.16x = 1,811,114.61 × 708,790.16
  4. Step 4: Simplify right side
    1,312,402.16x = 1,283,700,216,070.06
  5. Step 5: Solve for x
    x = 1,283,700,216,070.06/1,312,402.16
  6. Step 6: Final answer
    x = 978,130.22

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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.