Home / 1,671,288.51-2,506,292.98-711,143.53

Finding the Fourth Proportional to 1,671,288.51, 2,506,292.98 and 711,143.53

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Solution

The fourth proportional to 1,671,288.51, 2,506,292.98 and 711,143.53 is: 1,066,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,288.51 : 2,506,292.98 = 711,143.53 : x
  2. Step 2: Convert to fraction form
    1,671,288.51/2,506,292.98 = 711,143.53/x
  3. Step 3: Cross multiply
    1,671,288.51x = 2,506,292.98 × 711,143.53
  4. Step 4: Simplify right side
    1,671,288.51x = 1,782,334,037,011.42
  5. Step 5: Solve for x
    x = 1,782,334,037,011.42/1,671,288.51
  6. Step 6: Final answer
    x = 1,066,443.06

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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.