Home / 1,280,437.84-1,767,000.59-707,473.93

Finding the Fourth Proportional to 1,280,437.84, 1,767,000.59 and 707,473.93

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Solution

The fourth proportional to 1,280,437.84, 1,767,000.59 and 707,473.93 is: 976,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,437.84 : 1,767,000.59 = 707,473.93 : x
  2. Step 2: Convert to fraction form
    1,280,437.84/1,767,000.59 = 707,473.93/x
  3. Step 3: Cross multiply
    1,280,437.84x = 1,767,000.59 × 707,473.93
  4. Step 4: Simplify right side
    1,280,437.84x = 1,250,106,839,347.25
  5. Step 5: Solve for x
    x = 1,250,106,839,347.25/1,280,437.84
  6. Step 6: Final answer
    x = 976,312.01

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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.