Home / 1,298,541.24-1,791,955.63-709,814.51

Finding the Fourth Proportional to 1,298,541.24, 1,791,955.63 and 709,814.51

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Solution

The fourth proportional to 1,298,541.24, 1,791,955.63 and 709,814.51 is: 979,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,541.24 : 1,791,955.63 = 709,814.51 : x
  2. Step 2: Convert to fraction form
    1,298,541.24/1,791,955.63 = 709,814.51/x
  3. Step 3: Cross multiply
    1,298,541.24x = 1,791,955.63 × 709,814.51
  4. Step 4: Simplify right side
    1,298,541.24x = 1,271,956,100,075.79
  5. Step 5: Solve for x
    x = 1,271,956,100,075.79/1,298,541.24
  6. Step 6: Final answer
    x = 979,526.92

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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.