Home / 1,586,312.40-2,189,113.80-907,248.90

Finding the Fourth Proportional to 1,586,312.40, 2,189,113.80 and 907,248.90

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Solution

The fourth proportional to 1,586,312.40, 2,189,113.80 and 907,248.90 is: 1,252,005.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,312.40 : 2,189,113.80 = 907,248.90 : x
  2. Step 2: Convert to fraction form
    1,586,312.40/2,189,113.80 = 907,248.90/x
  3. Step 3: Cross multiply
    1,586,312.40x = 2,189,113.80 × 907,248.90
  4. Step 4: Simplify right side
    1,586,312.40x = 1,986,071,087,024.82
  5. Step 5: Solve for x
    x = 1,986,071,087,024.82/1,586,312.40
  6. Step 6: Final answer
    x = 1,252,005.02

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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.