Home / 1,249,970.64-1,724,994.84-706,129.38

Finding the Fourth Proportional to 1,249,970.64, 1,724,994.84 and 706,129.38

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Solution

The fourth proportional to 1,249,970.64, 1,724,994.84 and 706,129.38 is: 974,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,970.64 : 1,724,994.84 = 706,129.38 : x
  2. Step 2: Convert to fraction form
    1,249,970.64/1,724,994.84 = 706,129.38/x
  3. Step 3: Cross multiply
    1,249,970.64x = 1,724,994.84 × 706,129.38
  4. Step 4: Simplify right side
    1,249,970.64x = 1,218,069,536,872.40
  5. Step 5: Solve for x
    x = 1,218,069,536,872.40/1,249,970.64
  6. Step 6: Final answer
    x = 974,478.52

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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.